Analgesic Effect of Passive Range-of-Motion Exercise on the Healthy Side for Pain after Total Knee Arthroplasty: A Prospective Randomized Trial

Table 2

Visual analogue scale before and after CPM.

Day	Bilateral group			Unilateral group
	Before CPM	After CPM	value	Before CPM	After CPM	value
2	46.8 (27.5, 58)	46.1 (24.3, 63.8)	0.88	44.6 (27.3, 66.5)	38.6 (23.5, 54.8)	0.41
4	41.5 (24.3, 58)	36.1 (25.3, 43.5)	0.27	32.6 (17.5, 48)	35.3 (17.8, 53.8)	0.85
7	41.1 (23, 56.8)	37.3 (20.5, 55.8)	0.53	26.1 (7.8, 40)	30.2 (8.3, 42.8)	0.53
14	32.2 (13.3, 41.3)	24.7 (4.2, 41)	0.28	28.9 (16.5, 41.8)	30.9 (14.8, 38.8)	0.86

value; before CPM vs after CPM.