Table 3.

Intra-Group Comparison in Mean Change in Outcome Measures With Respect to Baseline {95% CI for Mean Change}

Variable	Month 3		Month 6		Month 12
	Gait	Control	Gait	Control	Gait	Control
LLFDI Basic Lower Limb Function score	3.3 {1.1, 5.5} p=0.0040	−1.0 {−3.7, 1.7} p=0.4480	3.1 {0.5, 5.7} p=0.0183	0.8 {−2.3, 4.0} p=0.5963	3.9 {−1.3, 9.1} p=0.1344	2.9 {−3.7, 9.5} p=0.3798
KOOS Pain	8.2 {2.8, 13.5} p=0.0037	1.1 {−5.5, 7.7} p=0.7384	5.4 {0.1, 10.7} p=0.0464	1.7 {−4.8, 8.2} p=0.5960	10.1 {4.4, 15.8} p=0.0009	2.8 {−4.4, 10.1} p=0.4330
KOOS Symptoms	11.5 {6.3, 16.7} p<0.0001	3.0 {−3.4, 9.4} p=0.3551	8.1 {2.3, 13.8} p=0.0072	1.8 {−5.3, 8.9} p=0.6075	8.5 {0.9, 16.0} p=0.0298	2.4 {−7.1, 12.0} p=0.6082
LDCW time (sec.)	−10.1 {−28.7, 8.5} p=0.2790	−10.8 {−33.7, 12.2} p=0.3499	−16.4 {−44.1, 11.4} p=0.2412	−21.8 {−55.8, 12.3} p=0.2047	−9.6 {−34.5, 15.2} p=0.4395	−17.2 {−47.9, 13.5} p=0.2656
Stair Climb Time (sec.)	0.2 {−0.5, 0.9} p=0.5729	0.0 {−0.9, 0.8} p=0.9208	−0.2 {−1.3, 1.0} p=0.7910	−1.4 {−2.9, 0.0} p=0.0528	−0.3 {−1.3, 0.7} p=0.5572	−1.1 {−2.4, 0.1} p=0.0683
Chair Stand Time (sec.)	−0.9 {−2.2, 0.4} p=0.1832	−1.0 {−2.8, 0.8} p=0.2693	−1.9 {−3.5, −0.3} p=0.0233	−3.0 {−5.0, −0.9} p=0.0061	−2.5 {−3.7, −1.3} p=0.0002	−2.9 {−4.5, −1.3} p=0.0006}

*P-values are for change within each group, comparing follow-up visit measures to baseline and controlling for repeated measures.