The effect of treatment showed an added improvement of 7.65 ( 95 % confidence interval [ CI ] , 3.04 to 12.26 ; P = .001 ) for IKDC scores , 7.61 ( 95 % CI , 1.44 to 13.79 ; P = .016 ) for Lysholm scores , and 0.64 ( 95 % CI , 0.10 to 1.19 ; P = .021 ) for Tegner scores .