NRS | Control group (n = 13) | Study group (n = 16) | P |
1 | 3 (2 - 4) | 2 (1 - 3.25) | 0.09 |
2 | 3 (2 - 4) | 2.5 (1 - 4) | 0.17 |
4 | 4 (3 - 4) | 2.5 (2 - 3.25) | 0.06 |
6 | 3 (3 - 4) | 3 (2 - 4) | 0.36 |
12 | 3 (3 - 4) | 3 (2 - 3.25) | 0.47 |
24 | 3 (3 - 4) | 3 (2 - 4) | 0.71 |