| Variables | Number N = 20 | Percentage |
| Prevalence |
|
|
| Obstructive ARF | 20 | 20.62 |
| Other causes of hemodialysis | 77 | 79.38 |
| Age |
|
|
| 35 - 44 | 2 | 10 |
| 45 - 54 | 6 | 30 |
| 55 - 64 | 8 | 40 |
| 65 and over | 4 | 20 |
| Average: 57.8 ± 10.54 |
| Extremes: 35 à 75 |
| Gender |
|
|
| Male | 11 | 55 |
| Female | 9 | 45 |
| Sex ratio = 1.22 |
|
|
| Profession |
|
|
| Civil servant | 4 | 20 |
| Merchant | 4 | 20 |
| House wife | 7 | 35 |