| Parameter | Number | Death | Alive | Percentage | p | |
| Age | 65 - 75 | 40 | 4 | 36 | 10 | 0.0618 |
| ≥75 | 19 | 6 | 13 | 31.5 | ||
| Sex | M | 36 | 7 | 29 | 19.4 | 0.7254 |
| F | 23 | 3 | 20 | 11.5 | ||
| Co-morbidities | Yes | 45 | 9 | 36 | 20 | 0.4248 |
| No | 14 | 1 | 13 | 7.1 | ||
| Consultation delay | <48 h | 9 | 1 | 08 | 11.1 | 1.0000 |
| ≥48 h | 50 | 9 | 41 | 18 | ||
| ASA | I; II | 37 | 1 | 36 | 2.7 | 0.0003 |
| III; IV | 22 | 9 | 13 | 40.9 | ||
| Intervention delay | <6 h | 3 | 2 | 1 | 66.6 | 0.0715 |