Table 3. Factors associated with mortality among the studied patients.
| Variables | Mortality | Statistical analysis | |||
|---|---|---|---|---|---|
| No (n=37) | Yes (n=8) | Test | P | ||
| Sex (n, %) | Male | 30(81.1%) | 6 (75.0%) | FE | 0.651 |
| Female | 7(18.9%) | 2 (25.0%) | |||
| Age | Mean ± SD | 42.54±14.9 | 43.25±19.31 | 0.12 | 0.910 |
| Cause of trauma | RTA | 22 (59.5%) | 5 (62.5%) | 2.762 | 0.430 |
| Falls | 9 (24.3%) | 1 (12.5%) | |||
| Assaults | 3 (8.1%) | 2 (25.0%) | |||
| Sport-related injury | 3 (8.1%) | 0 (0.0%) | |||
| Laterality | Unilateral | 37 (100.0%) | 2 (25.0%) | FE | <0.001* |
| Bilateral | 0 (0.0%) | 6 (75.0%) | |||
| Mode of trauma | Accidental | 34 (91.9%) | 6 (75.0%) | FE | 0.211 |
| Criminal | 3 (8.1%) | 2 (25.0%) | |||
| Presence of an associated injury | 1 (2.7%) | 6 (75.0%) | FE | <0.001* | |
| Mechanical ventilation (n, %) | 13 (35.1%) | 8 (100.0%) | FE | <0.001* | |
| Timing of MV | Early | 5(38.5%) | 7(58.5%) | FE | 0.067 |
| Late | 8(61.5%) | 1 (12.5%) | |||
| Duration of MV (day) | Mean ± SD | 3.0 ± 1.08 | 2.5 ± 1.69 | 1.039 | 0.299 |
| ICU stay duration (day) | Mean±SD | 4.94 ± 2.12 | 2.5 ± 1.69 | 2.645 | 0.008* |
| Chest trauma score | Mean±SD | 5.51 ± 2.5 | 10.75 ± 0.71 | 1.88 | <0.001* |
| Pneumonia | 19 (51.4%) | 3 (37.5%) | FE | 0.669 | |
FE: Fisher Exact test, MV: Mechanical Ventilation; * indicates significant differences; ICU: Intensive care unit.