Table 3.

The results of spine-related pain

		Group C	Group U	p value
Initial	Back	5.20 ± 2.843	4.20 ± 2.198	0.171
	Buttock	5.20 ± 2.958	4.56 ± 3.292	0.473
	Leg	7.20 ± 1.633	7.28 ± 1.221	0.697
6 months	Back	3.12 ± 1.943	2.98 ± 2.267	0.641
	Buttock	3.08 ± 2.290	2.74 ± 2.380	0.308
	Leg	2.76 ± 1.964	2.82 ± 2.147	0.838
12 months	Back	2.16 ± 1.599	2.02 ± 1.269	0.496
	Buttock	2.24 ± 1.809	2.18 ± 1.616	0.806
	Leg	1.76 ± 1.985	1.80 ± 1.573	0.875
24 months	Back	1.56 ± 1.734	1.38 ± 1.190	0.396
	Buttock	1.08 ± 1.631	1.04 ± 1.080	0.839
	Leg	1.04 ± 1.744	1.20 ± 1.150	0.447