| Comorbidities | n (%) |
| Patient aged ≥ 50 years | 137 (54.80) |
| Tobacco smoking | 77 (30.80) |
| Family history | 72 (28.80) |
| Smoking and HTN | 47 (18.80) |
| Alcohol intake | 11 (4.40) |
| Nitrites in the urine | 22 (8.80) |