Table 3. Pairwise comparison of groups for muscle strengths, pain, proprioception, LKS and IKDC-2000 scores.

	Baseline	After treatment
Variable	Mean±SD	Mean±SD	p	ES	95% CI
Extension PT 60°/sec
TC group	165.6 ±15.6	187.8 ±18.9	<0.001	1,4	1.0-1.7
Control group	176.4 ±16.1	178.6 ±12.7	0,094	0,4	0.1-0.7
Flexion PT 60°/sec
TC group	141.2 ±14.9	145.4 ±16.3	0,081	0,3	0.1-0.4
Control group	136.9 ±9.8	138.2 ±11.2	0,148	0,2	0.2-0.3
Extension PT 180°/sec
TC group	124.1 ±22.1	154.6 ±18.6	<0.001	1,5	1.2-1.8
Control group	127.8 ±19.4	130.9 ±16.7	0,195	0,2	0.0-0.4
Flexion PT 180°/sec
TC group	105.6 ±18.6	113.6 ±19.1	0,092	0,4	0.3-0.6
Control group	99.7 ±11.2	104.6 ±12.3	0,061	0,4	0.2-0.6
Pain
TC group	4.5 ±1.5	2.1 ±0.8	<0.001	1,6	1.0-2.2
Control group	4.8 ±2.3	5.6 ±2.1	0,115	0,3	0.1-0.4
Proprioception
TC group	4.0 ±1.4	2.1 ±0.8	<0.001	1,4	1.0-1.8
Control group	3.6 ±1.1	3.8 ±1.6	0,216	0,2	0.0-0.4
LKS
TC group	68.6 ±12.1	83.4 ±11.7	0,001	1,2	0.7-1.7
Control group	72.5 ±13.6	84.6 ±12.4	0,018	0,9	0.6-1.2
IKDC-2000
TC group	62.7 ±14.2	85.4 ±17.1	0,001	1,6	1.1-2.0
Control group	63.4 ±13.6	81.2 ±15.7	0,001	1,3	0.9-1.7
LKS: Lysholm Knee Scale; IKDC-2000: International Knee Documentation Committee-2000; SD: Standard deviation; ES: Effect size; CI: Confidence interval; PT: Peak torque; TC group: Tai Chi group.