Total CHEOPS score is the sum of points for six observed behaviours. Higher scores indicate more severe postoperative pain behaviours.

Behaviour	Finding	Points
Cry	No cry	1
Cry	Moaning	2
Cry	Crying	2
Cry	Screaming	3
Facial	Smiling	0
Facial	Composed (neutral)	1
Facial	Grimace	2
Child verbal	Positive statements	0
Child verbal	None (not talking)	1
Child verbal	Complaints other than pain	1
Child verbal	Pain complaints	2
Child verbal	Both pain and non-pain complaints	2
Torso	Neutral	1
Torso	Shifting	2
Torso	Tense	2
Torso	Shivering	2
Torso	Upright	2
Torso	Restrained	2
Touch	Not touching wound	1
Touch	Reaching towards wound	2
Touch	Gently touching wound	2
Touch	Grabbing wound	2
Touch	Arms restrained	2
Legs	Neutral	1
Legs	Squirming or kicking	2
Legs	Drawn up or tensed	2
Legs	Standing, crouching or kneeling	2
Legs	Legs restrained	2

CHEOPS total score = sum of all six behaviour scores (range 4–13).

Children's Hospital of Eastern Ontario Pain Scale (CHEOPS)