| Variables | Number N = 20 | Percentage |
| Reasons for consultation |
|
|
| Physical asthenia | 11 | 55 |
| Lumbar pain | 9 | 45 |
| Conjunctival pallor | 9 | 45 |
| Anuria | 8 | 40 |
| Oliguria | 8 | 40 |
| Vomiting | 6 | 30 |
| Urinary retention | 6 | 30 |
| Edema of the lower limbs | 6 | 30 |
| Epigastralgia | 5 | 25 |
| Dyspnea | 5 | 25 |
| Hematuria | 5 | 25 |
| Hiccups | 4 | 20 |
| Dysuria | 4 | 20 |
| Pollakiuria | 3 | 15 |
| History |
|
|
| HTA | 16 | 80 |
| Urinary tract infection | 10 | 50 |
| Diabetes mellitus | 6 | 30 |
| Malaria | 4 | 20 |
| HIV | 3 | 15 |
| NSAID use | 3 | 15 |
| Transvesical adenomectomy of the prostate gland | 3 | 15 |
| Peptic ulcer disease | 2 | 10 |
| Pyelolithotomy | 1 | 5 |
| Etiology |
|
|
| Bilateral ureteral lithiasis | 8 | 80 |
| Prostate cancer | 4 | 66.67 |
| Cervical cancer | 2 | 33.33 |
| Benign prostatic hyperplasia | 3 | 15 |
| Ureteral lithiasis in a single anatomical kidney | 1 | 10 |
| Ureteral lithiasis on functional single kidney | 1 | 10 |