BMI categories and primary outcome of survival
| BMI, kg/m2 | Survived, n=48 | Died (n=24) | P value |
| 18.5–24.9 (%) | 8 (61.5) | 5 (38.4) | 0.589 |
| 25.0–29.9 (%) | 22 (64.7) | 12 (35.3) | |
| 30.0–34.9 (%) | 10 (71.4) | 4 (28.6) | |
| 35.0–39.9 (%) | 4 (57.1) | 3 (42.9) | |
| ≥40.0 (%) | 4 (100.0) | 0 (0.0) |
BMI, body mass index.