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

Egyptian Rheumatology and Rehabilitation

Table 1 Preoperative characteristics of both groups

Variable	HI group (n=20)	LI group (n=20)	P value
Age, (years) mean ± SD	58.1 ± 3.9	58.1 ± 3.8	0.96
BMI, kg/m², mean ± SD	30.3 ± 1.7	30.1 ± 1.6	0.63
Stair climbing test (seconds), mean ± SD	18.3 ± 1.6	18.2 ± 1.7	0.93
Timed up and go test (seconds), mean ± SD	8.8 ± 0.7	8.8 ± 1.1	1.00
6-min walk test ( minutes), mean ± SD	476 ± 17.5	475.5 ± 16.7	0.92
Knee flexion, degree
Mean ± SD	114.2 ± 7.5	16.1 ± 7.8	0.25
Range	106–122	110–126	0.25
Knee extension, degree
Mean ± SD	− 1.5±2.5	− 0.7 ± 2.7	0.28
Range	− 4–2	− 3–2	0.28
NPRS
Mean ± SD	5.1 ± 1.2	4.9 ± 1.2	0.60
Range	2–7	2–7	0.60
OKS, mean ± SD	19.5 6.7	20.3 ± 7.1	0.72

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