| Indication | NOT | % |
| Failure of medical treatment | 9 | 15.3 |
| Iterative RAU | 17 | 28.8 |
| RCU | 10 | 16.9 |
| Hematuria | 9 | 15.3 |
| Bilateral ureterohydronephrosis with ARF | 8 | 13.6 |
| Bladder stones | 6 | 10.1 |
| Total | 59 | 100 |