Table 1.
Characteristics of the patients on admission to the ICU.
| BMI > 30 (n = 171) | BMI ≤ 30 (n = 121) | P-value | |
|---|---|---|---|
| Age (years) | 56 (48–65) | 61 (51–68) | 0.013 |
| Weight (kg) | 110 (100−120) | 82 (75–90) | <0.001 |
| Height (m) | 1.74 (1.68–1.8) | 1.77 (1.7–1.8) | 0.024 |
| BMI | 35.1 (32.1–40.1) | 26.3 (24.8–27.8) | <0.001 |
| Gender (males) | 63.7% (109) | 70.2% (85) | 0.246 |
| APACHE IV | 87 (77–100) | 90 (77–100) | 0.371 |
| SOFA | 10 (8–12) | 11 (8–12) | 0.480 |
| Hypertension | 59.1% (101) | 38.8% (47) | <0.001 |
| Diabetes mellitus | 26.3% (45) | 17.4% (21) | 0.071 |
| CAD | 9.4% (16) | 19.8% (24) | 0.01 |
| COPD | 7,6% (13) | 3.3% (4) | 0.122 |
| Smoking | 18.1% (31) | 22.3% (27) | 0.404 |
| Immunosuppression | 5.3% (9) | 14.9% (18) | 0.005 |
| Cancer | 5.3% (9) | 7.4% (9) | 0.436 |
| Time from SARS-CoV-2 PCR positivity to admission (days) | 9 (3–13) | 8 (4–14.5) | 0.544 |
| PaO2/FiO2 (at admission) | 75 (62–101) | 75.5 (60–105) | 0.883 |
| Orotracheal intubation on admission | 95.9% (164) | 94.2% (114) | 0.505 |
| MV parameters (at admission) | |||
| - PEEP | 12 (10–14) | 11 (8–14) | 0.048 |
| - driving pressure | 18 (15–20) | 16 (12–18) | <0.001 |
| - plateau pressure | 30 (26–34) | 28 (24–30) | 0.002 |
APACHE, Acute Physiology and Chronic Health Evaluation; SOFA, Sequential Organ Failure Assessment; CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease, HFNO, high flow nasal oxygen; NIV, non-invasive ventilation; MV, mechanical ventilation; PEEP, positive end-expiratory pressure.
Table 1: Comparison of the obese versus non-obese patients on admission to the ICU (numbers and percentages or medians with interquartile ranges, compared with Mann-Whitney U or the Fischer's exact tests).