| Variables | RR | IC = 95% | P value |
| Age group (40 - 50 ans) | 0.49 | 0.22 - 1.09 | 0.044 |
| Duration of dialysis (<6 mois) | 0.43 | 0.17 - 1.06 | 0.029 |
| Vascularis nephropathy | 1.74 | 1.17 - 2.59 | 0.009 |
| Hypoalbuminia | 2.4 | 0.95 - 6.03 | 0.036 |
| BP pré-dialytic ≥ 140/90 mmHg | 0.57 | 0.36 – 0.90 | 0.009 |
| BP post dialytic ≥ 165 | 2.07 | 1.12 - 3.82 | 0.011 |
| Dry weight ≥ 70 Kg | 0.49 | 0.23 - 1.03 | 0.030 |
| Number of antihypertension ≥ | 2.86 | 1.14 - 7.18 | 0.006 |
| Ultrafiltration rate ≥ 550 ml/h | 0.62 | 0.38 - 1.02 | 0.045 |