| Surgical Technique | n | % |
| Pyelolithotomy | 11 | 39.3 |
| Nephrolithotomy | 7 | 25.0 |
| Ureterolithotomy | 3 | 10.7 |
| Ureterolithotomy + UVR | 2 | 7.1 |
| Nephrectomy | 5 | 17.9 |
| Total | 28 | 100.0 |