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

Egyptian Rheumatology and Rehabilitation

Table 2 Post-operative outcome measures of both groups at 1 month

Time/variable	HI group (n=20)	LI group (n=20)	P value
Stair climbing test, seconds, mean ± SD	25.8 ± 2.1	36.1 ± 2.6	0.000*
Timed up and go test (seconds), mean ± SD	8.1 ± 1.1	12.9 ± 1.3	0.000*
6-min walk test (minute), mean ± SD	407 ± 35.7	360.5 ± 27.6	0.000*
Knee flexion (degree)
Mean ± SD	86.6 ± 10.6	82.5 ± 11.6	0.19
Range	75–98	70–95
Knee extension (degree)
Mean ± SD	2.5 ± 3.4	1.4±3.39	0.27
Range	− 2–6	− 2–7
NPRS during rest
Mean ± SD	4 ± 0.8	5 ± 1.1	0.03*
Range	1–6	2–7
OKS, mean ± SD	30.9 ± 6.6	24.2 ± 7.5	0.000*

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