| Risk factors | Numbers | Frequencies |
| Tobacco | 3 | 2.3 |
| Obesity | 27 | 20.4 |
| Hypertension | 52 | 39.4 |
| Diabetes | 3 | 2.3 |
| Sedentarity | 10 | 7.6 |
| Metabolic disorders | 10 | 7.6 |
| Stress | 7 | 5.3 |
| Unknown | 4 | 3.0 |
| Contraception | 20 | 15.2 |
| Corticosteroids | 1 | 0.8 |