| Cases n (%) | Controls n (%) |
| |
VAS before treatment | 4 - 6 | 49 (22.2) | 35 (17.1) |
|
7 - 9 | 134 (60.9) | 163 (79.9) |
| |
10 | 37 (16.8) | 6 (2.9) |
| |
Total | 220 (100) | 204 (100) | P-value = 0.04 | |
VAS after 3 months | 1 - 3 | 188 (87.1) | 101 (50.6) |
|
4 - 6 | 28 (12.9) | 90 (45) |
| |
Total | 216 (100) | 200 (100) |
|