Subanalysis based on the type of penetrating injury
| Age groups | Survival (n=179) | Gunshot wound, (n=975) | Stab wound, (n=279) | P values |
| <20, (n=175) | 12.4% (21) | 8.3% (12) | 25.8% (8) | 0.006 |
| 20–29, (n=502) | 13.5% (68) | 8.8% (35) | 31.1% (33) | <0.001 |
| 30–39, (n=254) | 15.4% (39) | 11.9% (23) | 26.2% (16) | 0.007 |
| 40–49, (n=172) | 16.9% (29) | 11.4% (14) | 30.6% (15) | 0.002 |
| 50–59, (n=107) | 11.2% (12) | 8.2% (6) | 17.6% (6) | 0.15 |
| 60–69, (n=29) | 34.5% (10) | 37.0% (10) | 0 (0) | <0.001 |
| ≥70, (n=16) | 0% (0) | 0% (0) | 0% (0) | N/A |
Age groups in years.
N/A, not applicable.