Table 5.

Repeated measures analysis. Greenhouse-Geisser correction was used for all variables.

Outcome variables		Time			Group			Time*Group
		F df1,df2	F value	P value	Fdf1,df2	F value	P value		F df1,df2	F value	P value
Patient performance
	Timed Up and Goa	F 2.2,124.5	76.406	<.001	F 1,57	9.346	0.003		F 2.2,124.5	7.801	<.001
Knee range of motion
	Lying flexion	F 2.6,150.9	42.3	<.001	F 1,57	0.8	0.375		F 2.6,150.9	4.29	0.008
	Sitting flexion	F 2.2,126.2	24.8	<.001	F 1,57	0.27	0.604		F 2.2,126.2	3.98	0.02
	Sitting extension	F 3.0,169.4	50.9	<.001	F 1,57	11.4	0.001		F 3.2,169.4	5.6	0.001
	Standing flexion	F 2.0,116.2	37	<.001	F 1,57	3.88	0.054		F 2.2,116.2	9.17	<.001

^aLogarithmic transformation.