| Others | 12 (4.3) |
| Risk factors & Comorbidities |
|
| Smoking | 64 (18.9 ) |
| Alcohol | 34 (10) |
| Diabetes Mellitus | 9 (2.6) |
| Hypertension | 8 (2.3) |
| Coronary Artery disease | 3 (0.9) |
| Average length of hospital stay (days) | 4.2 |