Global calculators, local context

Scores clinical and optional ultrasound features in eligible adults with suspected polymyalgia rheumatica.

Classifies systemic lupus erythematosus using the 2012 SLICC criteria.

Classification criteria for primary Sjögren's syndrome.

Estimates postoperative progression-free and cancer-specific survival after nephrectomy for non-metastatic clear cell, papillary or chromophobe RCC.

Assigns ACC/AHA heart failure stages A-D from risk, structural disease, symptoms and advanced features.

Classifies suspected infective endocarditis using the 2023 Duke-ISCVID major and minor criteria framework.

Estimates seizure risk in hospitalised patients undergoing EEG monitoring.

Screens adults for possible delirium and cognitive impairment.

Estimates in-hospital mortality risk for adults admitted with COVID-19.

Stratifies pre-test probability of pulmonary embolism to guide D-dimer use and imaging decisions.

Estimates pre-test probability of immune-mediated heparin-induced thrombocytopenia.

Estimates six-minute walk distance reference values for adults aged 40–80 years.

Calculates the A–a oxygen gradient and compares it with an adult room-air age reference.

Assesses pain severity in people with dementia who cannot reliably self-report.

Grades burn-related inhalation injury from bronchoscopic findings.

Screens older adults for possible cognitive impairment.

Screens older adults for possible cognitive impairment.

Estimates intracerebral haemorrhage volume on non-contrast head CT using the ABC/2 ellipsoid approximation.

Stratifies short-term stroke risk after a suspected TIA.

Estimates likelihood of requiring massive transfusion after trauma.

Stratifies 90-day mortality risk in alcohol-associated hepatitis.

Documents and monitors abnormal involuntary movements.

Calculates absolute lymphocyte count from total white cell count and lymphocyte percentage.

Calculates ANC from the WBC and neutrophil differential when a laboratory-reported ANC is unavailable.

Screens for disclosed intimate partner or domestic abuse.

Classifies high bleeding risk in patients undergoing PCI.

Guides lipid management using 10-year PREVENT-ASCVD risk and known-ASCVD features.

Estimates 30-day operative mortality risk after cardiac surgery.

Classification criteria for rheumatoid arthritis.

Classification criteria for gout.

Estimates risk of ICU-level complications in initially stable NSTEMI.

Estimates likelihood of gout in adults with acute monoarthritis.

Estimates pre-biopsy probability of acute interstitial nephritis in adults already being considered for native kidney biopsy.

Identifies very low-risk emergency department chest pain patients suitable for early discharge.

Estimates in-hospital mortality risk in adults admitted with acute decompensated heart failure.

Screens adults for ADHD symptoms using WHO ASRS v1.1 Part A.

Estimates 10-year survival based on age and comorbidities.

Calculates the age-adjusted FEU D-dimer cutoff to help exclude VTE in eligible adults.

Calculates approximate age- and sex-adjusted upper reference limits for ESR and CRP.

Estimates in-hospital mortality risk in adults with acute upper gastrointestinal bleeding before endoscopy.

Stages acute kidney injury using creatinine change, urine output and renal replacement therapy.

Quantifies early ischaemic change in the MCA territory on CT using a 10-point regional score.

Calculates the albumin-bilirubin score and grade for objective liver-function stratification in hepatocellular carcinoma.

Estimates likelihood of lower limb cellulitis versus pseudocellulitis.

Calculates IV alteplase bolus and infusion doses for acute ischaemic stroke using body weight.

Estimates likelihood of acute appendicitis.

Estimates risk of undiagnosed type 2 diabetes.

Estimates 30-day risk of all-cause death, myocardial infarction or stroke in adults undergoing non-cardiac surgery.

Estimates 30-day non-elective readmission risk after acute myocardial infarction.

Calculates the Australian/New Zealand two-bag IV acetylcysteine regimen for paracetamol poisoning.

Estimates pre-test probability of acute aortic syndrome.

Stratifies illness severity and mortality risk in adult ICU patients.

Estimates baseline risk of postoperative nausea and vomiting in adults receiving general anaesthesia.

Assesses newborn condition at 1 and 5 minutes after birth.

Stratifies risk of acute appendicitis.

Estimates risk of postoperative pulmonary complications.

Interprets adult arterial blood gases and acid-base compensation.

Classifies pre-anaesthesia physical status from ASA I to VI, with an emergency modifier.

Classification criteria for axial spondyloarthritis using imaging and clinical arms.

Classifies peripheral spondyloarthritis using ASAS entry and feature rules.

Classifies ischaemic stroke aetiology by grading atherosclerosis, small-vessel disease, cardiac pathology, other causes, and dissection.

Assesses asthma control in adolescents and adults.

Estimates risk of persistent asthma in preschool children with recurrent wheeze.

Estimates 3-month risk of death or dependency after acute ischaemic stroke.

Estimates likelihood of significant liver fibrosis or cirrhosis.

Estimates pathology-based structural recurrence risk after surgery for adult differentiated thyroid cancer.

Estimates likelihood of treatment response in C. difficile infection.

Estimates annual warfarin-associated major haemorrhage risk in adults with atrial fibrillation.

Estimates 1-year risk of ischaemic stroke or systemic embolism in adults with non-valvular atrial fibrillation who are not receiving anticoagulation.

Guides atropine bolus doubling and maintenance infusion in organophosphate and carbamate poisoning.

Screens for unhealthy alcohol use over the past year.

Estimates 5-year risk of type 2 diabetes.

Selects weight- and age-adjusted tenecteplase dose for STEMI in Australian practice.

Estimates 5-year risk of type 2 diabetes.

Predicts incident delirium during admission in general medical inpatients aged 50 years or older.

Assesses axial spondyloarthritis disease activity using patient-reported symptoms and C-reactive protein.

Assesses axial spondyloarthritis disease activity using patient-reported symptoms and ESR.

Stratifies risk of bacterial meningitis in children with CSF pleocytosis.

Stratifies risk of in-hospital death or mechanical ventilation in acute COPD exacerbation.

Stages hepatocellular carcinoma and guides treatment by tumour burden, liver function and performance status.

Stratifies advanced fibrosis risk in people with non-alcoholic fatty liver disease.

Assesses swallowing safety after acute stroke.

Assesses functional independence in basic activities of daily living.

Estimates basal energy expenditure using the original Harris–Benedict equations.

Classifies lower limb blast injuries to support early haemorrhage control and operative planning.

Assesses pain in sedated, mechanically ventilated adults.

Assesses postoperative pain in children aged 1–7 years.

Converts between oral benzodiazepines using approximate diazepam-equivalent dosing.

Estimates total body bicarbonate deficit in metabolic acidosis to support cautious intravenous sodium bicarbonate use.

Stages CLL using lymphoid-area burden plus haemoglobin and platelet thresholds.

Estimates in-hospital mortality risk in acute pancreatitis.

Assesses cervical favourability before induction of labour.

Classifies a source-matched primary blast lung injury pattern as mild, moderate, severe or mixed.

Calculates adult BMI category and Mosteller body surface area from height and weight.

Estimates mortality risk in COPD.

Estimates body roundness from waist circumference and height.

Stratifies short-term risk of pulmonary embolism-related complications in normotensive acute PE.

Assesses pressure injury risk using six functional and skin integrity domains.

Checks BRUE entry criteria and estimates serious-diagnosis and recurrence risk.

Classifies stool form using the seven-point Bristol stool chart.

Differentiates ventricular tachycardia from supraventricular tachycardia with aberrancy in regular wide-complex tachycardia.

Calculates the conventional BUN:creatinine ratio from same-sample urea or BUN and creatinine values.

Estimates the likelihood that thyrotoxicosis represents thyroid storm.

Estimates burn size using an age-adjusted body map.

Estimates the chance of at least one live birth from stored mature oocytes after elective egg freezing.

Screens adults for problematic alcohol use.

Estimates probability of currently having undiagnosed type 2 diabetes.

Grades effort angina severity from asymptomatic to angina at rest.

Identifies alert, stable adults after acute blunt trauma who may not require cervical spine imaging.

Identifies adults with minor head injury who meet criteria for head CT.

Estimates 30-day risk of serious outcomes in adults presenting to the emergency department with syncope.

Estimates risk of severe chemotherapy toxicity in older adults starting a new regimen.

Stratifies peri-operative venous thromboembolism risk.

Stratifies perioperative risk in adults undergoing cardiac surgery.

Estimates short-term in-hospital cardiac arrest risk.

Classifies psoriatic arthritis.

Flags children with minor head injury who meet original CATCH criteria for head CT consideration.

Estimates overcrowding severity in community emergency departments.

Estimates the likelihood of group A streptococcal pharyngitis.

Calculates cerebral perfusion pressure.

Estimates stroke risk in adults with atrial fibrillation.

Guides stroke-prevention therapy in atrial fibrillation.

Estimates thromboembolic stroke risk in adults with atrial fibrillation without using sex category.

Estimates thromboembolic stroke risk in adults with non-valvular atrial fibrillation.

Identifies children with head injury who usually warrant CT head imaging.

Estimates risk of severe chemotherapy toxicity in older adults.

Classifies severity of chronic liver disease, mainly cirrhosis, and estimates short-term mortality.

Assesses postoperative pain intensity in young children using observed behaviours.

Stratifies adults with minor head injury for CT imaging.

Estimates the risk that an elective laparoscopic cholecystectomy will last more than 90 minutes.

Estimates combined CKiD U25 eGFR for patients aged 1–25 years using both creatinine and cystatin C.

Estimates risk of large vessel occlusion and severe stroke using simple prehospital neurological signs.

Grades alcohol withdrawal severity to guide monitoring and medication.

Estimates adult eGFR from standardised serum creatinine and/or cystatin C using race-free CKD-EPI equations.

Estimates 5-year risk of developing CKD in adults with HIV.

Stratifies progression risk in smouldering myeloma using the classic Mayo model.

Estimates short-term mortality risk in adults with acute-on-chronic liver failure.

Calculates diagnostic-test performance and treatment-effect measures from 2×2 event counts.

Assesses rheumatoid arthritis disease activity.

Stratifies risk of serious complications in seemingly stable adult patients with chemotherapy-related febrile neutropenia.

Assesses opioid withdrawal severity.

Supports assessment and monitoring of suspected ventilator-associated pneumonia in invasively ventilated patients.

Classifies colorectal cancer family-history risk and screening pathway using Cancer Council Australia guidance.

Interprets red-green colour vision screening results from a validated Ishihara plate set.

Screens for recent suicidal ideation and suicidal behaviour.

Screens adult ICU patients for delirium, including those who are mechanically ventilated.

Quantifies symptom burden and health status in adults with stable COPD in outpatient or pulmonary rehabilitation care.

Screens infants, children and adolescents for delirium.

Screens for dysfunctional anxiety symptoms related to coronavirus over the past 2 weeks.

Estimates albumin-adjusted total calcium in adults when ionised calcium is unavailable.

Assesses platelet transfusion response by normalising the post-transfusion increment for body surface area and platelet dose.

Corrects an adult QT interval for heart rate using Bazett, Fridericia, Framingham, Hodges, or Rautaharju formulas.

Assesses bone marrow response to anaemia using corrected reticulocyte percentage and maturation-adjusted RPI.

Estimates creatinine clearance for medicine dosing.

Assesses behavioural indicators of pain in critically ill adults unable to self-report.

Assesses Crohn's disease activity over the previous 7 days.

Estimates in-hospital major bleeding risk in adults with NSTEMI before treatment.

Estimates adult cryoprecipitate dose for fibrinogen replacement.

Grades mucositis/stomatitis using CTCAE v3.0 clinical-exam and functional/symptomatic domains.

Summarises multimorbidity burden in older adults.

Estimates 30-day mortality risk in adults with community-acquired pneumonia.

Screens for current aberrant opioid-related behaviours in adults on long-term opioids.

Grades immune effector cell-related CRS severity using ASTCT 2019 fever, hypotension and hypoxia criteria.

Stratifies clinically localised prostate cancer into low, intermediate or high risk using PSA, biopsy Gleason score and clinical T stage.

Estimates recurrent VTE risk after a first unprovoked event and initial anticoagulation.

Assesses depression, anxiety and stress symptoms over the past week.

Assesses corticosteroid response after 7 days in severe alcohol-associated hepatitis.

Estimates in-hospital mortality risk in adults admitted with acute COPD exacerbation.

Estimates risk of undiagnosed HIV infection to support targeted screening.

Quantifies diabetes-related distress over the past month.

Estimates in-hospital mortality risk in adults admitted with diabetic ketoacidosis.

Calculates heart-rate-to-diastolic-pressure ratio as an adjunctive septic shock risk marker.

Calculates digoxin immune Fab dosing for life-threatening digoxin or digitoxin toxicity.

Stratifies prognosis in primary myelofibrosis.

Estimates 1-year major bleeding risk in adults with atrial fibrillation taking direct-acting oral anticoagulants.

Estimates likelihood of benefit from and adherence to long-term opioid therapy in chronic non-cancer pain.

Assesses rheumatoid arthritis disease activity using CRP.

Assesses rheumatoid arthritis disease activity using ESR.

Classifies multiple sclerosis disability using ambulation distance and need for walking aids.

Estimates donor blood volume to collect for a planned CD3+ DLI dose.

Estimates 3-month functional outcome after IV thrombolysis for acute ischaemic stroke.

Stratifies risk of drug-resistant pathogens in community-onset pneumonia.

Assesses DSM-5 criteria for a major depressive episode.

Assesses diagnostic criteria for post-traumatic stress disorder in adults and children older than 6 years.

Estimates net benefit versus harm of extending dual antiplatelet therapy beyond 12 months after PCI.

Estimates 1-year mortality risk in idiopathic pulmonary fibrosis.

Estimates functional capacity and peak oxygen uptake.

Stratifies prognosis after exercise treadmill ECG.

Stratifies likelihood of familial hypercholesterolaemia.

Stratifies 3-year survival in patients with active AML undergoing haematopoietic cell transplantation.

Grades functional status in patients with cancer.

Assesses atopic dermatitis severity.

Identifies patients with chest pain who meet EDACS accelerated diagnostic pathway low-risk criteria.

Identifies low-risk chest pain patients suitable for early discharge using the Australian/New Zealand EDACS pathway.

Screens for depressive symptoms during pregnancy and the first year after birth, using a 7-day recall.

Estimates the likelihood of a cardiac cause in adults presenting with syncope.

Estimates likelihood of a cardiac cause in adults with unexplained syncope.

Estimates risk of difficult tracheal intubation.

Classifies ischaemic stroke as ESUS using imaging and aetiological workup criteria.

Estimates short-term risk of major adverse cardiac events in patients presenting to the emergency department with chest pain.

Guides emergency department initiation of buprenorphine in adults with confirmed or suspected opioid use disorder.

Estimates 7-day mortality risk in adults presenting to the emergency department with acute heart failure.

Estimates oral ETT depth at the teeth and an initial lung-protective tidal volume range in intubated adults.

Estimates average glucose from NGSP/DCCT-aligned HbA1c percentage using the ADAG equation.

Estimates expected peak expiratory flow in adults using age, sex and height.

Estimates peak serum concentration after a single reported ethanol or toxic alcohol ingestion using weight, product strength, and volume ingested.

Calculates estimated due date and gestational age from pregnancy dating information.

Stratifies prognosis at diagnosis in chronic-phase CML.

Calculates oral morphine equivalent daily dose using eviQ conversion factors.

Quantifies disability in people with multiple sclerosis.

Estimates probability of hepatic steatosis.

Assesses fetal well-being.

Estimates the likelihood of streptococcal pharyngitis in acute sore throat and guides antibiotic strategy.

Estimates risk of advanced liver fibrosis.

Estimates 10-year risk of developing type 2 diabetes using simple clinical and lifestyle factors.

Classifies CT blood burden after aneurysmal subarachnoid haemorrhage to estimate vasospasm risk.

Assesses severity of obstructed defecation symptoms.

Guides CT follow-up for incidentally detected pulmonary nodules.

Summarises FAST bedside ultrasound findings for intraperitoneal and pericardial free fluid in trauma.

Stratifies overall survival risk in follicular lymphoma using five baseline clinical factors.

Estimates risk of recurrence and survival after hepatic resection for colorectal liver metastases using five preoperative factors.

Stratifies stigmata of non-variceal peptic ulcer bleeding on endoscopy to estimate rebleeding risk and need for therapy.

Assesses coma depth, including in intubated patients.

Uses FENa to help distinguish prerenal hypoperfusion from intrinsic tubular injury in AKI.

Estimates fractional excretion of urea to help differentiate prerenal from intrinsic acute kidney injury.

Estimates 5-year hip fracture risk in postmenopausal women using clinical risk factors.

Applies Framingham major and minor criteria for clinical heart failure.

Estimates 10-year risk of hard coronary heart disease.

Estimates free water deficit in hypernatraemia using total body water and serum sodium.

Estimates fresh frozen plasma volume and units for a therapeutic transfusion episode.

Estimates LDL cholesterol from a fasting lipid profile using the Friedewald equation.

Stratifies 2-year fracture risk in older women.

Assesses prognostic tumour grade in clear cell renal cell carcinoma using Fuhrman nuclear grade 1–4.

Estimates likelihood of 90-day functional independence after primary intracerebral haemorrhage.

Screens older adults with cancer for frailty and need for comprehensive geriatric assessment.

Screens for and grades generalised anxiety symptoms in adults over the past 2 weeks.

Estimates total iron deficit for intravenous iron replacement using body weight, haemoglobin deficit and iron stores.

Estimates 1- to 3-year mortality risk in adults with IPF from sex, age and lung physiology.

Estimates mortality, stroke or systemic embolism, and major bleeding risk in atrial fibrillation.

Combines GCS and pupil reactivity for early prognostic stratification after traumatic brain injury.

Assesses VTE risk in hospitalised medical patients to guide prophylaxis.

Estimates pre-test probability of pulmonary embolism in haemodynamically stable adults.

Screens older adults for depressive symptoms.

Stratifies short-term mortality risk in adults with suspected alcoholic hepatitis.

Estimates likelihood of transfusion or other intervention before endoscopy in upper gastrointestinal bleeding.

Assesses level of consciousness using eye opening, verbal response and motor response.

Stratifies severity of acute pancreatitis using 48-hour clinical and laboratory criteria.

Stratifies cancer prognosis using C-reactive protein and serum albumin.

Maps the reported prostate cancer Gleason pattern combination to ISUP Grade Group.

Classifies COPD severity using spirometric grade and symptom/exacerbation groups.

Estimates likelihood of neurologically intact survival after in-hospital cardiac arrest using pre-arrest status and comorbidities.

Estimates in-hospital mortality risk in adults with acute coronary syndromes using the GRACE model.

Estimates in-hospital mortality risk after acute coronary syndrome.

Identifies high tumour burden in follicular lymphoma using GELF clinical criteria.

Estimates 30-day risk of perioperative myocardial infarction or cardiac arrest after non-cardiac surgery.

Estimates 30-day risk of postoperative pneumonia using preoperative clinical factors and planned procedure type.

Estimates 30-day postoperative respiratory failure risk from NSQIP-derived predictors.

Estimates in-hospital mortality for adults admitted with acute heart failure.

Assesses anxiety severity and treatment response using clinician ratings.

Assesses severity of depressive symptoms over the past week.

Identifies patients with acute pancreatitis who are unlikely to develop severe disease.

Assesses clinical activity in Crohn's disease.

Estimates 1-year major bleeding risk and identifies modifiable bleeding risks in atrial fibrillation.

Estimates risk of intracerebral haemorrhage after intravenous thrombolysis for acute ischaemic stroke.

Identifies emergency department patients with acute chest pain who may be suitable for early discharge.

Stratifies 6-week risk of major adverse cardiac events in adults with chest pain.

Estimates 2-year non-relapse mortality risk before allogeneic haematopoietic cell transplantation using weighted pre-transplant comorbidities.

Estimates major bleeding risk in adults with atrial fibrillation receiving warfarin.

Estimates recurrent VTE risk in women with a first unprovoked VTE after 5–12 months of anticoagulation.

Identifies low-risk adults with confirmed pulmonary embolism who may be suitable for outpatient management.

Estimates probability that HFpEF explains unexplained exertional dyspnoea.

Calculates initial weight-based HIET insulin and dextrose dosing for severe calcium channel blocker or beta blocker toxicity.

Estimates pretest probability of immune heparin-induced thrombocytopenia.

Estimates fasting insulin resistance from venous plasma glucose and serum insulin.

Estimates risk of potentially avoidable 30-day readmission after medical discharge.

Estimates probability of reactive haemophagocytic syndrome in acutely unwell patients.

Grades clinical severity in aneurysmal subarachnoid haemorrhage from grade I to grade V.

Checks hydroxychloroquine dose against weight-based ophthalmic safety thresholds.

Estimates 12-month risk of severe hypoglycaemia requiring emergency department or hospital care in adults with type 2 diabetes.

Calculates adult Devine ideal body weight and 0.4-factor adjusted body weight for selected dosing contexts.

Stratifies prognosis in metastatic renal cell carcinoma using six baseline clinical and laboratory risk factors.

Estimates 6-month mortality risk and likelihood of unfavourable outcome after moderate to severe traumatic brain injury.

Stratifies venous thromboembolism risk in acutely ill hospitalised medical patients.

Assesses 3-month VTE risk in acutely ill medical inpatients.

Estimates 6-month mortality risk in infective endocarditis using host factors, IE characteristics and complications.

Stratifies mortality risk in patients with cancer.

Summarises anatomical injury burden for trauma registry, audit and risk stratification.

Estimates likelihood that chest pain in primary care is due to coronary artery disease.

Estimates overall survival in people with chronic lymphocytic leukaemia.

Stratifies prognosis in adults with diffuse large B-cell lymphoma.

Helps distinguish renal tubular acidosis from gastrointestinal bicarbonate loss in NAGMA.

Estimates 30-day mortality risk after spontaneous intracerebral haemorrhage using five clinical and CT predictors.

Estimates donor RBC volume for intrauterine transfusion using fetal weight and haematocrit targets.

Assesses lifetime bleeding symptoms using age- and sex-specific reference thresholds.

Applies revised Jones criteria to suspected acute rheumatic fever.

Assesses functional status and prognosis in serious illness.

Assesses classic Kawasaki disease clinical criteria using fever duration and principal features.

Measures non-specific psychological distress over the past 30 days by self-report.

Stratifies chemotherapy-associated venous thromboembolism risk in ambulatory patients with cancer.

Estimates 2-year and 5-year risk of treated kidney failure in adults with CKD stages 3–5.

Classifies heart failure severity and short-term mortality risk in acute myocardial infarction.

Estimates current GFR in adults with changing serum creatinine.

Identifies poor-prognosis features in paracetamol-induced acute liver failure that may indicate need for liver transplantation.

Estimates probability of septic arthritis of the hip in children.

Estimates likelihood of irritable bowel syndrome versus organic gastrointestinal disease.

Estimates single-pool Kt/V and URR to assess per-session haemodialysis dose.

Estimates 30-day risk of death or unplanned readmission after hospital discharge.

Assesses paediatric functional status using parent-rated play and activity.

Estimates 1-year risk of progression from undifferentiated arthritis to rheumatoid arthritis.

Stratifies prognosis in people with malignant pleural effusion.

Estimates risk of hydronephrosis requiring intervention in adult inpatients with acute kidney injury.

Classifies pleural effusions as exudative or transudative.

Estimates postoperative liver decompensation risk after hepatectomy for hepatocellular carcinoma.

Classifies endoscopic severity of reflux oesophagitis (A–D) from the extent of mucosal breaks.

Stratifies prehospital stroke severity and likelihood of large-vessel occlusion.

Supports risk stratification for suspected necrotising soft tissue infection.

Assesses severity and short-term mortality risk in acute alcohol-associated hepatitis.

Estimates 1- and 3-year all-cause mortality in adults with chronic heart failure.

Estimates 24-hour and hourly maintenance intravenous fluid requirements from body weight using the Holliday–Segar method.

Assesses depressive symptom severity over the past 2 weeks by self-report.

Estimates 2-year survival in people with small cell lung cancer.

Summarises injury severity to support limb-salvage versus amputation assessment after severe extremity trauma.

Assesses likelihood of irritable bowel syndrome based on symptoms.

Stratifies prognosis in people with mantle cell lymphoma.

Estimates likelihood of coronary artery disease in primary care patients with chest pain.

Stratifies risk of serious complications in adults with cancer and febrile neutropenia.

Estimates maximum blood loss before red cell transfusion should be considered.

Stratifies prognosis in systemic mastocytosis.

Estimates the probability that a solitary pulmonary nodule is malignant.

Assesses disease activity in people with ulcerative colitis.

Estimates risk of severe acute kidney injury or death in adults with rhabdomyolysis.

Estimates glomerular filtration rate in adults using the four-variable MDRD equation.

Calculates mean arterial pressure.

Quantifies medication regimen complexity in critically ill adults.

Stratifies prognosis in previously untreated metastatic renal cell carcinoma.

Estimates 90-day mortality risk in patients aged 12 years and over with cirrhosis.

Supports screening for iron deficiency anaemia versus beta-thalassaemia trait.

Estimates the probability of vaginal birth after caesarean using the 2021 race-neutral MFMU model.

Estimates risk of PICC-related upper-extremity deep vein thrombosis in adult medical inpatients.

Supports liver transplant eligibility assessment in people with cirrhosis and hepatocellular carcinoma.

Screens for possible cognitive impairment using three-word recall and clock drawing.

Estimates risk of pathological fracture in metastatic long bone lesions to guide prophylactic fixation decisions.

Estimates future asthma risk in preschool children with recurrent wheeze.

Identifies physiological deterioration and supports escalation in adult inpatients.

Assesses neonatal opioid withdrawal severity over serial examinations.

Estimates symptomatic vasospasm risk after aneurysmal subarachnoid haemorrhage using CT findings.

Stratifies prognosis in people with cancer based on systemic inflammation.

Stages overall motor severity in Parkinson's disease using unilateral, bilateral, axial and postural features.

Grades the oropharyngeal view to support airway assessment and anticipate difficult laryngoscopy or intubation.

Grades patient-reported breathlessness from 0 to 4, commonly used in COPD assessment.

Assesses alcohol withdrawal severity in ICU patients using objective findings.

Quantifies stroke-related neurological deficits using a shortened NIH Stroke Scale.

Estimates the ACI modified Parkland starting fluid requirement for major burns.

Grades post-stroke disability and dependence on a 7-point functional outcome scale.

Classifies hepatocellular carcinoma treatment response using viable enhancing tumour burden.

Assesses organ dysfunction severity and estimates short-term mortality risk using a modified SOFA score.

Estimates early mortality risk after acute stroke.

Quantifies depressive symptom severity over the past week using clinician ratings.

Screens for cognitive impairment across multiple domains.

Screens for possible bipolar spectrum disorder using symptom count, clustering and impairment.

Stratifies prognosis in people with metastatic renal cell carcinoma.

Estimates 90-day mortality risk in hospitalised patients with viral pneumonia.

Stratifies baseline prognosis in newly diagnosed symptomatic multiple myeloma using serum beta-2 microglobulin and albumin.

Grades acute lung injury severity using oxygenation, PEEP, static compliance, and chest radiograph consolidation.

Estimates adult total blood, red-cell and plasma volumes using the Nadler equation.

Scores histological activity in NAFLD/MASLD from liver biopsy.

Estimates probability of advanced fibrosis in adults with NAFLD/MASLD using routine clinical and laboratory variables.

Calculates an initial continuous naloxone infusion and pump rate after an effective reversal bolus.

Assesses ED overcrowding severity using real-time operational variables.

Selects the Western Australian background-incidence input for the full neonatal early-onset sepsis calculator.

Estimates isovolumetric partial exchange volume for neonatal polycythaemia using weight, venous haematocrit and estimated blood volume.

Quantifies neuropathic pain severity and qualities using patient-rated NPS items.

Identifies adults with minor head injury who meet criteria for head CT.

Counts features associated with chest-radiograph yield in ED adults with non-traumatic chest pain.

Stratifies heart failure symptom burden by functional limitation (NYHA classes I–IV).

Identifies physiological deterioration and need for escalation in adults.

Identifies blunt trauma patients at very low risk of clinically significant thoracic injury when chest CT is being considered.

Identifies low-risk blunt chest trauma patients who may not require chest imaging.

Identifies blunt-trauma patients who meet low-risk criteria for avoiding cervical spine imaging.

Guides head CT imaging decisions in adults with blunt head injury.

Assesses acute stroke severity.

Assesses pain in adults unable to self-report.

Guides CroFab dosing for North American pit viper envenomation, not Australian snakebite.

Stratifies nutrition risk in critically ill adults to guide nutrition therapy.

Screens adult inpatients for nutritional risk.

Assesses whether adults with acute lower GI bleeding may be low risk enough for outpatient management.

Estimates 5-year risk of primary open-angle glaucoma in ocular hypertension.

Estimates 12-month all-cause mortality risk after emergency department syncope assessment.

Estimates oral morphine equivalent daily dose from current opioid exposure.

Estimates risk of future opioid-related aberrant behaviours.

Estimates total daily oral morphine equivalent exposure from current oral opioid doses.

Estimates major bleeding risk in adults with atrial fibrillation receiving oral anticoagulation.

Estimates contrast-associated acute kidney injury and dialysis risk after PCI.

Estimates paediatric end-stage liver disease severity using the original pre-2023 PELD model.

Screens for low bone mineral density risk in postmenopausal women and older men.

Identifies acute ankle or midfoot injuries that meet criteria for radiography.

Estimates short-term serious adverse event risk after ED presentation with acute heart failure.

Guides knee radiography decisions after acute knee injury.

Identifies alert adults with acute severe non-traumatic headache who may require investigation for subarachnoid haemorrhage.

Quantifies hypoxaemic respiratory failure severity in ventilated patients.

Calculates cumulative cigarette exposure in pack-years.

Identifies hospitalised medical patients at high risk of VTE who may need prophylaxis.

Stratifies acute appendicitis risk in children.

Stratifies Crohn's disease activity in children.

Estimates paediatric cuffed and uncuffed endotracheal tube internal diameter from age.

Converts a paediatric intake or output volume into mL/kg and mL/kg/hr.

Scores eye opening, verbal response and best motor response in infants and young children.

Estimates predicted mortality risk for paediatric ICU admissions using the PIM3 logistic model.

Estimates in-hospital mortality risk after paediatric trauma.

Assesses paediatric ulcerative colitis activity.

Assesses pain severity in people with advanced dementia who cannot self-report.

Identifies children with blunt head trauma at very low observed risk of TBI.

Assesses impairment of pulmonary oxygenation using the PaO₂/FiO₂ (P/F) ratio.

Calculates traditional three-bag IV and oral acetylcysteine doses; for Australian practice prefer the ANZ two-bag calculator.

Assesses whether a child with recurrent throat infection meets Paradise criteria for considering tonsillectomy.

Stratifies cervical spine injury risk in children after blunt trauma to guide CT, X-ray, or clinical clearance decisions.

Stratifies clinically important traumatic brain injury risk after minor blunt head trauma in children younger than 18 years.

Identifies children at very low risk of intra-abdominal injury requiring acute intervention after blunt torso trauma.

Estimates individualised appendicitis probability in children and adolescents with acute abdominal pain.

Estimates asthma risk in young children.

Stratifies acute asthma exacerbation severity in children.

Scores acute asthma exacerbation severity in children.

Identifies paediatric patients with blunt head trauma who meet low-risk criteria for avoiding head CT.

Assesses acute asthma exacerbation severity in children.

Classifies paediatric SIRS, sepsis, severe sepsis and septic shock using 2005 consensus criteria.

Estimates 6-month risk of non-healing, amputation or mortality in patients with diabetic foot ulcers.

Assesses real-time paediatric emergency department crowding.

Helps exclude PE in haemodynamically stable, low-risk adults.

Estimates CD34+ cell yield and required apheresis volume for peripheral blood stem cell collection.

Quantifies 5-year rupture risk for unruptured intracranial saccular aneurysms.

Estimates corrected total phenytoin concentration accounting for hypoalbuminaemia and end-stage renal failure.

Identifies sepsis and septic shock in children with suspected infection using Phoenix criteria.

Screens for and monitors depression severity over the past 2 weeks.

Identifies patients with acute knee trauma who meet criteria for radiography after a fall or blunt impact.

Estimates likelihood of good functional outcome after endovascular therapy for LVO stroke.

Estimates early mortality and severe disability risk after acute ischaemic stroke.

Estimates 30-day all-cause mortality in patients with active cancer and acute symptomatic pulmonary embolism.

Estimates postoperative morbidity and mortality risk in surgical patients.

Standardises endoscopic Barrett's oesophagus extent as circumferential (C) and maximal (M) length above the gastro-oesophageal junction.

Estimates risk of moderate to severe alcohol withdrawal in hospitalised adults.

Estimates 10-year and, where applicable, 30-year cardiovascular disease risk.

Screens for probable PTSD in primary care.

Estimates prostate volume and PSA density from imaging dimensions and serum PSA.

Estimates 30-day mortality risk in adults with community-acquired pneumonia.

Assesses psoriasis extent and plaque severity.

Calculates PAPi from pulmonary artery pulse pressure and right atrial pressure.

Estimates 30-day mortality risk class in adults with acute pulmonary embolism.

Grades nausea and vomiting of pregnancy severity over the previous 24 hours.

Scores QAS Q-ADDS vital-sign categories and flags emergency-call criteria.

Flags adults with suspected infection outside intensive care who have a higher risk of in-hospital death or an ICU stay of 3 days or longer.

Guides maternity venous thromboembolism thromboprophylaxis using the Queensland pathway.

Scores depressive symptom severity over the past 7 days.

Scores CT parenchymal severity for a single smoke-inhalation chest CT slice.

Stages chronic lymphocytic leukaemia and stratifies clinical risk.

Assesses severity and estimates mortality risk in non-gallstone acute pancreatitis.

Estimates acute pancreatitis mortality risk from admission and 48-hour criteria.

Estimates likelihood of large-vessel occlusion in suspected acute stroke.

Estimates in-hospital mortality risk in nonsurgical adult emergency department patients.

Estimates 3-month mortality risk in adults with confirmed pleural infection.

Assesses rapid shallow breathing during ventilator weaning.

Estimates how many donor RBC units may need screening to obtain antigen-negative units.

Classifies acute asthma severity in children using the RCH Melbourne pathway.

Classifies croup severity in children using the RCH Melbourne pathway.

Estimates 3-, 5- and 10-year HCC risk in untreated, non-cirrhotic chronic hepatitis B.

Screens for stroke in suspected emergency presentations.

Classifies suspected DRESS diagnostic probability using RegiSCAR clinical and laboratory criteria.

Quantifies renal mass anatomical complexity on CT or MRI using the R.E.N.A.L. nephrometry system.

Stratifies acute asthma severity in children.

Estimates 12-month mortality risk in WHO group 1 pulmonary arterial hypertension.

Estimates major cardiac complication risk after noncardiac surgery.

Estimates risk of major cardiac complications after non-cardiac surgery.

Stratifies prognosis in untreated myelodysplastic syndromes.

Supports multiple sclerosis diagnosis using the legacy 2010 McDonald criteria.

Stratifies prognosis in newly diagnosed multiple myeloma.

Estimates 1- to 4-year transplant-free survival in adults with primary sclerosing cholangitis.

Supports diagnosis of autoimmune hepatitis using the 1999 revised IAIHG criteria.

Estimates glomerular filtration rate in children.

Quantifies early physiological derangement after trauma.

Assesses urinary incontinence symptom severity and monitors change after treatment.

Estimates 10-year risk of a first major cardiovascular event in women.

Classifies liver injury pattern.

Assesses agitation and sedation in critically ill adults.

Estimates 3-month major bleeding risk in acute VTE or pulmonary embolism during early anticoagulation.

Classifies acute kidney injury severity using RIFLE creatinine, urine-output and outcome criteria.

Estimates the probability of acute appendicitis.

Stratifies ovarian malignancy risk in patients with adnexal masses.

Estimates whether a patent foramen ovale is likely pathogenic in cryptogenic stroke.

Estimates 6-month risk of severe asthma exacerbation.

Identifies well-appearing febrile infants 60 days or younger who meet Rochester low-risk criteria for serious bacterial infection.

Estimates mortality risk before endoscopy in adults with acute upper GI bleeding.

Estimates post-endoscopy mortality and rebleeding risk after acute upper gastrointestinal bleeding.

Applies legacy Rome II symptom criteria for irritable bowel syndrome in adults.

Applies legacy Rome III symptom criteria for irritable bowel syndrome in adults.

Applies adult Rome IV criteria for functional constipation.

Applies adult Rome IV criteria for functional dyspepsia and PDS/EPS subtypes.

Applies adult Rome IV symptom criteria for irritable bowel syndrome.

Identifies adults with ED syncope who have any ROSE high-risk criterion for 1-month serious outcome or death.

Estimates intubation risk in patients receiving high-flow nasal oxygen.

Identifies children with CSF pleocytosis who are low risk for Lyme meningitis while Lyme testing is pending.

Flags adults with emergency department syncope or near-syncope who are at risk of short-term serious outcomes.

Rates functional independence in Parkinson disease.

Estimates 10-year fatal and non-fatal CVD risk in European adults aged 40 to 69 years.

Estimates 10-year fatal and non-fatal CVD risk in older European adults.

Estimates the likelihood that non-traumatic intracerebral haemorrhage has an underlying vascular cause.

Estimates the risk of symptomatic intracranial haemorrhage after intravenous alteplase for acute ischaemic stroke.

Classifies adult sepsis and septic shock.

Identifies sepsis-induced coagulopathy.

Assesses acute organ dysfunction in critically ill adults using the updated six-domain SOFA-2 score.

Assesses acute organ dysfunction severity in critically ill adults.

Assesses organ dysfunction severity in critically ill adults.

Calculates the serum anion gap and albumin-corrected anion gap from routine chemistry values.

Calculates the serum-ascites albumin gradient to help identify portal-hypertensive ascites.

Estimates calculated serum osmolality and the osmolal gap from routine chemistry, ethanol, and measured osmolality.

Estimates risk of severe adverse outcomes in adults admitted with community-acquired pneumonia.

Estimates in-hospital mortality risk in Stevens-Johnson syndrome and toxic epidermal necrolysis.

Identifies possible acute coronary occlusion in complete left bundle branch block.

Assesses circulatory stress at the bedside.

Assesses haemodynamic compromise in paediatric blunt trauma using age-specific SIPA thresholds.

Estimates whether community-onset pneumonia is low, medium, or high risk for MRSA.

Assesses fatigue impact in adults with multiple sclerosis and related neurological conditions.

Screens non-geriatric adults for alcohol-related problems.

Estimates donor red blood cell volume required for automated red cell exchange in sickle cell disease.

Classifies familial hypercholesterolaemia as definite, possible, or not meeting Simon Broome criteria.

Assesses ulcerative colitis symptom activity.

Assesses rheumatoid arthritis disease activity.

Estimates hospital mortality risk for adults at ICU admission using the SAPS 3 global equation.

Estimates hospital mortality risk in adult ICU patients.

Assesses likelihood of autoimmune hepatitis using simplified IAIHG diagnostic criteria.

Assesses motor response in suspected traumatic brain injury.

Stratifies 30-day mortality risk in confirmed acute pulmonary embolism.

Estimates 30-day mortality risk in adults with confirmed acute pulmonary embolism.

Estimates likelihood of needing intensive respiratory or vasopressor support in adults with community-acquired pneumonia.

Estimates corrected serum sodium in adults with hyperglycaemia using Katz and Hillier correction factors.

Projects the 24-hour rate from a planned or observed serum sodium change.

Estimates the sodium amount needed to raise serum sodium to a chosen target.

Stratifies baseline prognosis at diagnosis in chronic-phase CML.

Estimates oxygenation using pulse oximetry and delivered FiO2 when PaO2 is unavailable.

Estimates post-nephrectomy prognosis in clear-cell renal cell carcinoma.

Rates momentary subjective sleepiness.

Calculates static lung compliance during mechanical ventilation.

Estimates acute heart failure probability in adults with undifferentiated dyspnoea.

Stratifies invasive bacterial infection risk in previously healthy febrile infants aged 90 days or younger.

Estimates renal stone complexity and expected PCNL stone-free difficulty from CT features.

Calculates the stool osmotic gap to help distinguish osmotic from secretory patterns in chronic watery diarrhoea.

Assesses risk of obstructive sleep apnoea.

Estimates risk of complications after blunt chest wall trauma.

Classifies subaxial cervical spine trauma and guides operative versus non-operative care.

Helps distinguish subtle anterior LAD occlusion from normal-variant ST elevation when anterior ST changes are equivocal.

Estimates postoperative major complication or death risk using three intraoperative variables.

Recommends post-polypectomy and post-EMR surveillance intervals using Australian Cancer Council surveillance colonoscopy guidance.

Converts systemic corticosteroid doses between common agents using approximate anti-inflammatory equivalence.

Identifies adults meeting the classic SIRS definition.

Estimates massive transfusion probability after major trauma.

Estimates plasma exchange volume and intravascular target reduction.

Estimates 90-day functional outcome after acute ischaemic stroke using the classic THRIVE score plus current THRIVE-c and THRIVE-EVT probability equations.

Estimates early mortality risk in adults with STEMI.

Estimates 30-day mortality risk in adults with STEMI.

Estimates 14-day risk of death, MI, or urgent revascularisation in UA/NSTEMI.

Assesses renal potassium handling in hypo- and hyperkalaemia.

Estimates survival probability after major trauma.

Stratifies adults with suspected non-ST-elevation ACS into very low-, low-, moderate- or high-risk groups.

Assesses trunk motor impairment after stroke.

Stratifies localised N0 M0 renal cell carcinoma prognosis after nephrectomy using pathologic T stage, Fuhrman grade and ECOG performance status.

Stratifies prostate cancer recurrence risk.

Calculates the serum anion gap from sodium, chloride and bicarbonate, without potassium or albumin correction.

Estimates one-year mortality risk in chronic liver disease.

Estimates school-age asthma risk in preschool children with asthma-like symptoms.

Estimates 24-hour urinary protein excretion from a spot urine protein/creatinine ratio.

Calculates urine output in mL/kg/hr and simple net fluid balance over a defined collection period.

Assesses daily urticaria activity.

Identifies the applicable US CDC immunisation schedule for children, adolescents and adults.

Screens for opioid use disorder risk in adults receiving or starting long-term opioid therapy for chronic non-malignant pain.

Applies US MEDPED cholesterol thresholds to support familial hypercholesterolaemia diagnosis.

Estimates 24-hour vancomycin exposure in adults receiving intermittent IV dosing.

Estimates likelihood of successful vaginal birth after caesarean using admission findings.

Estimates 5-year all-cause mortality risk in adults with HIV receiving antiretroviral therapy.

Converts a recorded Snellen visual acuity fraction to decimal visual acuity.

Estimates major bleeding risk in adults with venous thromboembolism receiving stable anticoagulation.

Rates severity and disability in Parkinson's disease.

Estimates an initial full-replacement oral levothyroxine dose for selected adults with overt primary hypothyroidism.

Estimates pre-test probability of lower-limb deep vein thrombosis.

Estimates pre-test probability of pulmonary embolism in adults.

Grades severity of hepatic encephalopathy (0-4) from normal mental status to coma.

Assesses croup severity.

Classifies recovery risk after acute whiplash.

Estimates expected PaCO₂ in primary metabolic acidosis to identify mixed respiratory disorders.

Classifies wound healing as primary, secondary, or delayed primary (tertiary) closure based on clinical management.

Stratifies prognosis in de novo myelodysplastic syndromes.

Rules out pulmonary embolism using three clinical criteria and a variable D-dimer threshold.

Guides imaging decisions in patients with suspected pulmonary embolism.