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Risk profile measured by the APACHE II score, its expected mortality, and outcome.
| Underweight | Normal | Overweight | Obesity | P value | |
|---|---|---|---|---|---|
| APACHE II (points) | 14.2 ± 6.8 | 12.7 ± 6.9 | 13.9 ± 7.4 | 14.1 ± 7.0 | 0.228 |
| Expected mortality (%) | 23.0 ± 15.0 | 20.0 ± 14.4 | 23.0 ± 16.8 | 22.7 ± 16.6 | 0.192 |
| Observed mortality (%) | 5 (17.9%) | 25 (9.4%) | 24 (11.4%) | 7 (8.5%) | 0.484 |
