| Variable | Frequency | Percentage | ||
| Intraoperative stone clearance | Yes | 116 | 99.1% | |
| No | 1 | 0.9% | ||
| Prolonged bleeding | Yes | 5 | 4.3% | |
| No | 112 | 95.7% | ||
| Blood Transfusion | Yes | 11 | 9.4% | |
| No | 106 | 90.6% | ||
| Organ injury | None | 113 | 96.6% | |
| Pleura | 3 | 2.6% | ||
| Colon | 1 | 0.9% | ||
| Fever | Yes | 19 | 16.2% | |
| No | 98 | 83.8% | ||
| Stone clearance (after one month) | Yes | 110 | 94.0% | |
| No | 7 | 6.0% | ||