| Enrolled (n) | Percentage (%) |
Lumbar pain | 19 | 35.2 |
Urinary infection | 12 | 22.2 |
Haematuria | 6 | 11.1 |
Probe forgotten | 5 | 9.3 |
Probe calcification | 4 | 7.4 |
Catheter obstruction | 2 | 3.7 |
Irrigative bladder disorders | 2 | 3.7 |
Acute pyelonephritis | 1 | 1.8 |
Sensation of probe (after ablation) | 2 | 3.7 |
Catheter migration | 1 | 1.8 |
Total | 54 | 100 |