Table 3.

Secondary outcomes at 6-wk follow-up.

	User (average ± SD) N = 46	Nonuser (average ± SD) N = 46	Statistical analysis
6-Wk follow-up
VR-12 (MCS)	52.9 ± 9.5	56.2 ± 8.7	P = .085
VR-12 (PCS)	38.5 ± 10.0	39.1 ± 10.0	P = .802
Knee patients (N = 25)
Function	72.0 ± 20.1	78.2 ± 18.1	P = .258
ROM (Ext./Flex.)	122.2 ± 10.1	118.1 ± 22.4	P = .408
Knee score	84.5 ± 12.8	85.2 ± 12.0	P = .245
Hip patients (N = 21)
Function	39.8 ± 5.2	39.5 ± 6.3	P = .853
ROM (Ext./Flex.)	99.5 ± 7.1	99.1 ± 8.8	P = .848
HSS	86.1 ± 10.3	88.5 ± 7.34	P = .838

Ext., extension; Flex., flexion; SD, standard deviation.