| History | Frequency | % |
| No patient history | 82 | 39.81 |
| Hypertension | 68 | 33.01 |
| Diabetic | 16 | 7.77 |
| Diabetic and hypertensive | 10 | 4.85 |
| Others | 6 | 2.91 |
| Renal stone | 6 | 2.91 |
| Recurrent UTI | 2 | 0.97 |
| Recurrent malaria | 2 | 0.97 |
| Gouty arthritis | 2 | 0.97 |
| Preeclampsia | 2 | 0.97 |
| Lupus erthromatosus | 2 | 0.97 |
| Renal cell carcinoma | 1 | 0.48 |
| Mesangiocapillary glomerulonephritis | 1 | 0.48 |
| Carcinoma of U-bladder | 1 | 0.48 |
| Right kidney chronic obstruction | 1 | 0.48 |
| Bloody diarrhea | 1 | 0.48 |
| Atherosclerosis | 1 | 0.48 |
| Recurrent abortion | 1 | 0.48 |
| Sickle cell anemia | 1 | 0.48 |
| Total | 204 | 100 |