Table 4: Physical and muscle function results: pre- to postrehabilitation changes, effect size and 95% confidence intervals.

PrerehabilitationPostrehabilitationΔ Score95% CIEffect size

SF- 3 6 p c s (out of 50)31.9 ± 7.0 50.7 ± 4.3*18.8 14.8, 22.83.2
Six-minute walk test (m)354.6 ± 119.6521.9 ± 106.3*167.3101.8, 232.81.5
LEFS (out of 80)39.9 ± 16.561.9 ± 7.5*22.011.7, 32.31.7
Knee extension deficit (deg)Operated10.7 ± 5.52.8 ± 3.2*8.0−5.3, 10.11.8
Knee flexion ROM (deg)Operated102.0 ± 8.1113.8 ± 8.1*11.8−3.9, 16.81.5
StrengthMIVC (Nm)Operated52.9 ± 19.5109.6 ± 36.6*56.741.3, 72.11.9
Nonoperated146.3 ± 51.2152.5 ± 53.26.2−4.2, 16.50.1
PowerMVPO (W)Operated83.6 ± 39.2161.0 ± 63.6*77.453.4, 101.31.5
Nonoperated198.8 ± 104.0222.2 ± 108.0*23.411.1, 35.70.2
Stair climbing test (s)17.2 ± 6.89.2 ± 3.9*8.04.4, 11.61.4
Gait speed (m/s)1.0 ± 0.31.3 ± 0.2*0.30.2, 0.51.2

*Significant differences compared to pre-rehabilitation value ( 𝛼 < 0 . 0 1 ).
SF- 3 6 P C S : Physical component summary of the short form-36.
LEFS: Lower extremity function scale.
ROM: Range of motion.
StrengthMVIC: Knee extension maximal voluntary isometric contraction.
PowerMVPO: Leg extensor maximal voluntary power output.