Table 4.

Outcome measures at pre-operation, 6 weeks, 12 weeks, 6 months, and 12 months

Parameter		Experiment group	Control group	P values
WOMAC pain	Pre-op	4.83 ± 2.94	4.96 ± 3.16	> 0.05
	6 weeks	4.57 ± 3.80	5.6 ± 4.24	> 0.05
	12 weeks	3.10 ± 2.95	3.60 ± 3.12	> 0.05
	6 months	1.77 ± 2.06	2.83 ± 2.09	> 0.05
	12 months	1.00 ± 1.26	2.73 ± 2.23	< 0.05
WOMAC stiffness	Pre-op	1.07 ± 1.11	1.33 ± 1.49	> 0.05
	6 weeks	1.80 ± 1.40	1.9 ± 2.02	> 0.05
	12 weeks	1.17 ± 1.32	1.2 ± 1.19	> 0.05
	6 months	0.87 ± 1.14	0.93 ± 1.05	> 0.05
	12 months	0.63 ± 1.10	0.86 ± 0.94	> 0.05
WOMAC function	Pre-op	13.30 ± 9.26	13.73 ± 11.97	> 0.05
	6 weeks	15.93 ± 13.81	14.83 ± 11.00	> 0.05
	12 weeks	11.60 ± 12.11	12.7 ± 10.19	> 0.05
	6 months	6.70 ± 6.96	10.27 ± 8.53	< 0.05
	12 months	4.30 ± 4.04	10.13 ± 8.82	< 0.05
WOMAC total	Pre-op	19.20 ± 11.90	19.90 ± 14.19	> 0.05
	6 weeks	22.30 ± 17.67	22.23 ± 13.14	> 0.05
	12 weeks	15.87 ± 15.13	17.43 ± 12.05	> 0.05
	6 months	9.33 ± 9.44	14.03 ± 9.58	< 0.05
	12 months	5.93 ± 5.84	13.73 ± 9.85	< 0.05
VAS rest	Pre-op	1.40 ± 1.48	1.50 ± 1.41	> 0.05
	6 weeks	1.47 ± 1.61	1.93 ± 1.57	> 0.05
	12 weeks	0.53 ± 1.01	0.97 ± 1.00	> 0.05
	6 months	0.30 ± 0.60	0.77 ± 0.94	> 0.05
	12 months	0.10 ± 0.30	0.73 ± 0.90	< 0.05
VAS motion	Pre-op	4.50 ± 1.76	4.43 ± 2.13	> 0.05
	6 weeks	3.70 ± 1.58	3.8 ± 1.06	> 0.05
	12 weeks	2.60 ± 1.99	2.83 ± 1.05	> 0.05
	6 months	1.67 ± 1.90	2.53 ± 1.25	> 0.05
	12 months	0.77 ± 0.90	2.3 ± 1.21	< 0.05
MOCART	Pre-op	48.33 ± 5.22	48.17 ± 5.68	> 0.05
	12 months	73.45 ± 6.28	52.68 ± 7.26	< 0.05

Data are presented as mean ± SD