| VAS Score of pain | Number of patients | |
| At admission | 48 hours after procedure | |
| Absent (0) | 0 | 15 |
| Mild (1 - 3) | 0 | 19 |
| Moderate (4 - 6) | 8 | 0 |
| Severe (7 - 10) | 26 | 0 |