| Antecedents | N = 33 | % |
| HTA | 30 | 90.91 |
| Diabetic sugar | 28 | 84.85 |
| Acute renal failure | 22 | 66.67 |
| Heart failure | 19 | 57.58 |
| Smoking | 15 | 45.45 |
| Dyslipidemia | 12 | 36.36 |
| Alcoholism | 11 | 33.33 |