Table 3 The results of spine-related pain

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