Table 1.

Score range for the WOMAC measure using different versions and methods to combine 24 individual item scores

	Combine 24 item scores using
	Total	Average	Percentage
Version used for item scores
Likert scale (item 0–4)	0–96	0–4	0–100
NRS (item 0–10)	0–240	0–10	0–100
VAS (item 0–100)	0–2400	0–100	0–100