Table 4.

Comparison of VAS and Barthel index one week and six weeks after operation in both experiment and control groups.

	VAS 1	Barthel 1	VAS 2	Barthel 2
Exp.	4.4 ± 1.6	47.2 ± 11.9	1.9 ± 0.9	86.2 ± 12.8
Con.	4.8 ± 1.9	43.4 ± 13.3	2.4 ± 1.5	81.3 ± 11.9
P value	0.009	≤0.001	0.016	≤0.001

Exp., experiment group; Cont., control group; VAS 1, VAS of one week after operation; VAS 2, VAS of six weeks after operation; Barthel 1, Barthel index of one week after operation; Barthel 2, Barthel index of six weeks after operation.