Table 3.

Peak Torque to Body Weight Ratio (N·m/kg) ^a

	Intervention Group (n = 51)	Control Group (n = 52)	P	Cohen d
Quadriceps strength
Operated side at 3 mo	1.81 ± 0.75	0.85 ± 0.50	<.001	–1.5
Nonoperated side at 3 mo	2.36 ± 0.62	1.81 ± 0.56	<.001	–1.0
Operated side at 6 mo	2.40 ± 0.73	1.39 ± 0.70	<.001	–1.3
Nonoperated side at 6 mo	2.62 ± 0.59	2.24 ± 0.52	<.001	–0.8
Hamstring strength
Operated side at 3 mo	1.09 ± 0.36	0.67 ± 0.39	<.001	–0.9
Nonoperated side at 3 mo	1.29 ± 0.36	1.08 ± 0.40	.005	–0.5
Operated side at 6 mo	1.42 ± 0.41	1.07 ± 0.39	<.001	–0.6
Nonoperated side at 6 mo	1.55 ± 0.38	1.32 ± 0.42	.005	–0.5

^a Data are reported as mean ± SD. Boldface P values indicate a statistically significant difference between groups (P < .05).