| VAS | ODI | ||||
---|---|---|---|---|---|---|
 | Mean | P value_WSR | P value_paired t | Mean | P value_WSR | P value_paired t |
Baseline–1 week | 0.5 | 0.4766 | 0.5212 | -10.6 | 0.0977 | 0.00489 |
Baseline–1 month | 1.9 | 0.0098 | 0.0044 | 11.6 | 0.002 | 0.0014 |
Baseline–3 months | 2.15 | 0.0156 | 0.014 | 11.09 | 0.0117 | 0.006 |
Baseline–6 months | 3.3 | 0.0039 | 0.0008 | 21.52 | 0.002 | 0.0016 |
Baseline–9 months | 3.4 | 0.0039 | 0.0012 | 22.72 | 0.002 | 0.0002 |
Baseline–12 months | 3.6 | 0.002 | 0.0003 | 26.02 | 0.002 | 0.0004 |
Baseline–mean of each visit | 2.475 | 0.0039 | 0.001 | 13.725 | 0.002 | 0.0018 |