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

Egyptian Rheumatology and Rehabilitation

Table 4 Post-operative outcome measures of both groups after 12 months

Time/variable	HI group (n=20)	LI group (n=20)	P value
Stair climbing test (seconds)
mean ± SD	11.7 ± 1.2	15.9 ± 1.2	0.00 *
Range	10–14	14–19	0.00 *
Timed up and go test (seconds)
Mean ± SD	6.2 ± 0.8	8.9 ± 1.1	0.00*
Range	5–7	6–12	0.00*
6-min walk test (minutes)
Mean ± SD	512 ± 50.5	474.5 ± 17.1	0.00*
Range	380–590	450–500	0.00*
Knee flexion (degree)
Mean ± SD	105.3 ± 9.07	101.6 ± 11.1	0.21
Range	(95–116)	(91–124)	0.21
Knee extension (degree)
Mean ± SD	3.0 ± 1.9	2.0 ± 1.7	0.07
Range	(1–5)	(1–3)	0.07
NPRS
Mean ± SD	1.6 ± 0.5	1.8 ± 0.4	0.32
Range	1–2	1–2	0.32
OKS, mean ± SD	40.9 ± 8.3	33.4 ± 6.4	0.00*

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