Table 3. The association between BMI category and outcome in patients with COVID-19 pneumonia.
| BMI subgroups | ||||
| Underweight | Normal weight | Overweight | Obesity | |
| IMV therapy | ||||
| Model 1 | NA | 1.00 | 0.88 (0.27-2.83) | 3.11 (1.40-6.88) |
| Model 2 | NA | 1.00 | 0.85 (0.24-2.98) | 2.86 (1.16-7.05) |
| ICU admission | ||||
| Model 1 | 1.94 (0.95-3.97) | 1.00 | 0.93 (0.51-1.70) | 2.78 (1.78-4.34) |
| Model 2 | 2.18 (0.94-5.08) | 1.00 | 0.84 (0.42-1.68) | 2.62 (1.52-4.49) |
| ARDS | ||||
| Model 1 | 0.28 (0.04-2.07) | 1.00 | 0.80 (0.35-1.82) | 3.44 (2.00-5.94) |
| Model 2 | 0.23 (0.03-1.85) | 1.00 | 0.71 (0.29-1.73) | 3.15 (1.69-5.88) |
| Death | ||||
| Model 1 | 3.71 (1.27-10.79) | 1.00 | 0.57 (0.15-2.10) | 2.50 (1.08-5.79) |
| Model 2 | 3.85 (1.26-11.76) | 1.00 | 0.53 (0.14-2.00) | 1.75 (0.73-4.21) |
Model 1: unadjusted.
Model 2: adjusted for age, sex, neutrophil counts, lymphocyte counts, platelet counts, hs-CRP, and cancer (yes/no).
ARDS, acute respiratory distress syndrome. BMI, body mass index. HR, hazard ratio. ICU, intensive care unit. IMV, invasive mechanical ventilation. HR, hazard ratio. NA, not available.