Circuit training enhances function in patients undergoing total knee arthroplasty: a retrospective cohort study

Table 5 Comparison of perceived health (SF-36) between two groups of the TKA patients

	Pre-operation			Pre-exercise			Mid-exercise			Post-exercise
	Exercise	Control	p	Exercise	Control	p	Exercise	Control	p	Exercise	Control	p
PF	40.0 ± 4.8	35.2 ± 4.9	.487	49.1 ± 6.7	42.1 ± 6.3	.444	58.9 ± 4.5**	45.8 ± 5.5	.065	54.4 ± 6.5**	45.4 ± 6.6	.330
RP	31.7 ± 10.4	19.0 ± 9.2	.362	31.4 ± 10.4	50.2 ± 10.5**	.203	76.3 ± 9.^,*	48.0 ± 11.5**	.058	58.4 ± 12.9	51.4 ± 12.9**	.702
BP	36.0 ± 4.5	34.0 ± 4.6	.761	52.1 ± 5.0**	54.2 ± 5.0**	.763	64.1 ± 3.2^,*	57.7 ± 4.5**	.244	76.8 ± 3.7^,*	65.4 ± 4.1**	.038*
GH	49.9 ± 6.8	44.3 ± 5.3	.519	53.0 ± 5.3	50.5 ± 4.3	.715	62.5 ± 4.9***	46.1 ± 5.3	.022*	56.8 ± 5.8	49.3 ± 5.4	.340
VT	60.2 ± 4.5	55.5 ± 4.9	.477	65.5 ± 3.6	58.8 ± 4.4	.237	63.9 ± 3.9	63.9 ± 4.0	.986	71.2 ± 4.5**	64.1 ± 3.7	.220
SF	65.1 ± 7.4	61.4 ± 7.1	.715	66.5 ± 5.3	63.9 ± 4.6	.709	80.6 ± 3.6^,*	65.3 ± 4.7	.010*	82.8 ± 3.7^,*	68.6 ± 3.8	.008*
RE	43.8 ± 10.9	43.1 ± 10.7	.964	46.6 ± 11.2	65.5 ± 9.6	.138	75.5 ± 9.2^,*	62.7 ± 10.3	.352	76.1 ± 10.9^,*	64.3 ± 11.9	.465
MH	57.5 ± 4.3	56.2 ± 3.9	.823	64.9 ± 2.7	62.1 ± 2.9	.489	65.4 ± 3.6	65.5 ± 3.6	.995	68.5 ± 3.9**	63.0 ± 4.3	.343
PCS	35.5 ± 1.7	32.6 ± 1.7	.230	38.6 ± 2.1**	38.2 ± 1.4**	.874	45.6 ± 1.5^,*	38.5 ± 2.2**	.008*	43.9 ± 2.5**	40.4 ± 2.3**	.309
MCS	45.3 ± 2.4	44.8 ± 2.7	.900	46.9 ± 2.0	48.0 ± 1.8	.675	49.3 ± 2.1	48.4 ± 2.3	.766	51.8 ± 2.2**	48.6 ± 2.3	.318

Data presented as mean ± SD
A significant difference (p < 0.05) between two groups is calculated by GEEs
*p < .05, difference between groups; **p < .05, difference with pre-operation; ***p < .05, difference with pre-exercise

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