| Variable | Frequency (%) |
| Clinical presentation |
|
| Hematuria | 30 (93.75) |
| Recurrent UTI | 2 (6.25) |
| Acute nephritic colic | 1 (3.13) |
| Anemia |
|
| Yes | 19 (59.38) |
| No | 13 (40.62) |
| Transfusion (severe anemia) |
|
| Yes | 4 (12.5) |
| No | 28 (87.5) |
| Urinalysis |
|
| Yes | 3 (9.38) |
| No | 29 (90.62) |
| Pathogens identified during urinalysis |
|
| E. coli | 2 (66.67) |
| Pseudomonas aeruginosa | 1 (33.33) |
| Bilharziasis |
|
| Yes | 2 (6.25) |
| No | 30 (93.75) |
| Ultrasonography |
|
| Yes | 8 (25.00) |
| No | 24 (75.00) |
| Computed tomography |
|
| Yes | 32 (100) |
| Cystoscopy |
|
| Yes | 32 (100) |