| Etiologicdiagnosis | Frequency | Percentage (%) |
| Benign Prostate Enlargement | 65 | 62.5 |
| Urethral stricture | 16 | 15.4 |
| Prostate cancer | 9 | 8.6 |
| Disease of the bladder neck | 6 | 5.8 |
| Lowurinary tract trauma | 5 | 4.8 |
| Urolithiasis | 2 | 1.9 |
| Bladder tumor | 1 | 1 |
| Total | 104 | 100 |