| Postoperative pain | G I | G II | G III | G IV | p-value |
| 1 h | 0.93 ± 1.72 | 1.70 ± 1.84 | 0.00 ± 0.00 | 0.10 ± 0.31 | 0.001* |
| 2 h | 2.13 ± 2.08 | 2.00 ± 1.58 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.001* |
| 3 h | 1.53 ± 1.22 | 1.20 ± 0.55 | 0.00 ± 0.00 | 0.70 ± 0.95 | 0.001* |
| 4 h | 2.93 ± 1.41 | 2.10 ± 1.79 | 0.00 ± 0.00 | 0.63 ± 0.49 | 0.001* |
| 5 h | 1.87 ± 0.86 | 1.57 ± 0. 82 | 0.00 ± 0.00 | 0.60 ± 0.50 | 0.001* |
| 6 h | 2.23 ± 1.17 | 2.00 ± 1.70 | 0.27 ± 0.69 | 0.67 ± 0.71 | 0.001* |
| Time for first analgesic requirement | 2.33 ± 2.09 | 2.10 ± 1.24 | 0.00 ± 0.00 | 0.87 ± 0.94 | 0.001* |