Adjusted ORs for complications and mortality by BMI including all glycemic groups
| Composite complications | In-hospital mortality | |||||
|---|---|---|---|---|---|---|
| Unadjusted OR* | Model 1† | Model 2‡ | Unadjusted OR* | Model 1† | Model 2‡ | |
| Underweight | 1.58 (1.18 to 2.12) | 1.58 (1.18 to 2.12) | 1.35 (1.12 to 1.62) | 1.62 (0.66 to 3.95) | 1.74 (0.71 to 4.26) | 1.13 (0.69 to 1.87) |
| Normal | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) | 1 (Reference) |
| Overweight | 0.87 (0.75 to 1.01) | 0.87 (0.75 to 1.01) | 0.95 (0.86 to 1.05) | 1.02 (0.62 to 1.68) | 1.03 (0.73 to 1.70) | 0.90 (0.67 to 1.21) |
| Obesity grade 1 | 0.82 (0.70 to 0.95) | 0.82 (0.71 to 0.96) | 0.96 (0.86 to 1.07) | 1.25 (0.77 to 2.04) | 1.34 (0.82 to 2.20) | 0.91 (0.65 to 1.27) |
| Obesity grade 2 | 0.74 (0.62 to 0.89) | 0.76 (0.63 to 0.91) | 0.96 (0.83 to 1.11) | 0.88 (0.47 to 1.63) | 1.02 (0.54 to 1.90) | 1.20 (0.80 to 1.79) |
| Obesity grade 3 | 0.88 (0.74 to 1.06) | 0.91 (0.76 to 1.10) | 0.97 (0.83 to 1.13) | 0.93 (0.49 to 1.74) | 1.21 (0.63 to 2.33) | 0.84 (0.51 to 1.39) |
BMI categories: underweight (<18.5 kg/m2), normal (18.5–24.9 kg/m2), overweight (25–29.9 kg/m2), obesity 1 (30–34.9 kg/m2), obesity 2 (35–39.9 kg/m2), and obesity 3 (>40 kg/m2). Data reported as OR with 95% CIs.
*Crude OR.
†Model 1 adjusted for age, gender, race, and BMI.
‡Model 2: model 1+hospital setting (ICU vs non-ICU), admission team (medical vs surgical), admission diagnosis, BG on admission, medical comorbidities, and Charlson comorbidity index.
BG, blood glucose; BMI, body mass index; ICU, intensive care unit.