| Cases n (%) | Controls n (%) |
| |
VAS before treatment | 4 - 6 | 21 (77.8) | 18 (62.1) |
|
7 - 9 | 6 (22.3) | 11 (37.9) |
| |
Total | 27 (100) | 29 (100) | P-value = 0.01 | |
VAS after 3 months | 1 - 3 | 23 (85.1) | 21 (72.4) |
|
4 - 6 | 4 (14.8) | 8 (27.6) |
| |
Total | 27 (100) | 29 (100) |
|