Table 5.

ROM: Time × Group Interaction^a

	LMW-HA (n = 14 Hips)		LP-PRP (n = 19 Hips)		P Valueb
	n	Mean ± SD	n	Mean ± SD
Internal rotationc
0 wk	14	2.3 ± 13.5	18	2.8 ± 7.0	.90
6 wk	13	0.9 ± 14.1	18	3.3 ± 6.6	.58
12 wk	14	0.7 ± 14.5	18	4.7 ± 7.9	.37
24 wk	13	0.8 ± 11.3	18	7.8 ± 10.3	.09
External rotation
0 wk	14	36.4 ± 10.8	18	36.1 ± 12.9	.94
6 wk	13	36.2 ± 9.2	18	37.6 ± 9.2	.66
12 wk	14	35.7 ± 8.7	18	34.6 ± 12.2	.76
24 wk	13	38.5 ± 7.5	18	36.8 ± 10.1	.60
Flexion
0 wk	14	101.1 ± 11.3	18	102.4 ± 8.2	.72
6 wk	13	99.2 ± 9.8	18	99.6 ± 7.8	.92
12 wk	14	98.2 ± 9.3	18	101.9 ± 12.2	.35
24 wk	13	97.3 ± 10.1	18	103.5 ± 13.3	.15

^aLMW-HA, low–molecular weight hyaluronic acid; LP-PRP, leukocyte-poor platelet-rich plasma; ROM, range of motion.

^bP values compare measurements between groups at each time point.

^cSome patients were unable to reach 0° of hip internal rotation, and therefore, the value was recorded as negative.