Table 1: The trend in pain score over time across the study group.
| Category | Mean (SD) | Median (IQR) | P-value* |
| IAS Group | |||
| Pain Score at week 0 | 27.84 (8.5) | 27 (21-33) | < 0.001 |
| Pain Score at week 2 | 23.84 (8.5) | 17 (23-29) | |
| Pain Score at week 4 | 13.24 (6.4) | 14 (8.5-18) | |
| Pain Score at week 8 | 11.24 (6.4) | 12 (6.5-16) | |
| Pain Score at week 12 | 8.92 (7.0) | 8 (4-13) | |
| SSNB Group | |||
| Pain Score at week 0 | 30.64 (9.3) | 30 (21.5-40) | < 0.001 |
| Pain Score at week 2 | 14.52 (7.2) | 14 (8-20) | |
| Pain Score at week 4 | 11.92 (6.0) | 10 (5.5-16) | |
| Pain Score at week 8 | 9.92 (6.0) | 8 (3.5-14) | |
| Pain Score at week 12 | 7.40 (4.5) | 7 (4.5-10.5) | |
Note: *Friedman test.