Baseline characteristics.
| (n=200) | ICU (n=77) | Non-ICU (n=123) | |
| Age (years) (mean±SD) | 54.8±15.0 | 53.1±14.0 | 55.7±15.4 |
| Sex (% male) | 61.5 | 66.2 | 58.5 |
| BMI (kg/m2) (mean±SD) | 28.8±6.1 | 30.8±14.8 | 29.1±6.1 |
| Current smokers (%) | 30 (15.0) | 13 (9.8) | 12 (15.7) |
| Comorbidities (%) | |||
| Obesity | 72 (36.0) | 37 (48.1) | 35 (28.5) |
| Diabetes | 55 (27.5) | 21 (27.3) | 34 (27.6) |
| Hypertension | 72 (36.0) | 32 (41.6) | 40 (32.5) |
| COPD | 4 (2.0) | 1 (1.3) | 3 (2.4) |
| Cardiovascular risk factors (%) hypertension, diabetes, smoking and obesity | |||
| 0 | 69 (34.5) | 17 (22.1) | 52 (42.3) |
| ≥1 | 131 (65.5) | 31 (40.3) | 32 (26.0) |
| ≥2 | 68 (34.0) | 17 (22.1) | 42 (19.5) |
| ≥3 | 27 (13.5) | 11 (14.3) | 14 (11.4) |
| 4 | 2 (1.0) | 1 (1.3) | 1 (0.8) |
BMI, body mass index; COPD, chronic obstructive pulmonary disease; ICU, intensive care unit.