Comparison of two different models of rehabilitation programs following total knee replacement operations

Egyptian Rheumatology and Rehabilitation

Table 3 Post-operative outcome measures of both groups at 3 months

Time/variable	HI group (n=20)	LI group (n=20)	P value
Stair climbing test, seconds, mean ± SD	16.8 ± 1.2	19.3 ± 1.4	0.00*
Timed up and go test, seconds, mean ± SD	7.5 ± 0.7	9.0 ± 1.2	0.00*
6-minute walk test, minute, mean ± SD	488 ± 46.3	430.5 ± 58.6	0.00*
Knee flexion, degree
Mean ± SD	103.3 ± 10.0	101.1 ± 10.2	0.46
Range	(93–114)	(90–112)	0.46
Knee extension, degree
Mean ± SD	3.35 ± 2.6	2.45 ± 2.39	0.21
Range	(1–6)	(1–5)	0.21
NPRS during resting
Mean ± SD	3.3 ± 1.5	3.1 ± 1.4	0.75
Range	(1–6)	(1–6)	0.75
OKS, mean ± SD	32.0 ± 7.9	30.9 ± 6.6	0.04*

NPRS numeric pain rating scale, OKS Oxford Knee Score, HI high-intensity rehabilitation group, LI low-intensity rehabilitation group
*P value ≤ 0.05: significant