Table 1.

The modified observational pain/discomfort scale (OPS)

Score	0	1	2
Crying	No crying	Crying/moaning	Screaming
Facial expression	Smiling/positive	Neutral	Grimace
Verbal expression	Positive statement	Negative statement	Suffering from pain, another complaint
Torso	Neutral	Variable, taut, upright	Stretched
Legs	Neutral	Kicking	Stretched, continuous movement