Variable | Frequency | Percentage | |
Hydronephrosis | Yes | 40 | 34.2% |
No | 77 | 65.8% | |
Anesthesia | GA | 74 | 63.2% |
Spinal | 43 | 36.8% | |
Number of tracts | 1 | 104 | 88.9% |
2 | 12 | 10.3% | |
3 | 1 | 0.9% |