Outcome | BMI (kg/m2) n (%) | ||||
Total (n=3145) | Normal weight (18.5 to<25) (n=1000) | Overweight (25 to<29.9) (n=976) | Obese (>= 30) (n=1169) | P value | |
Time in ICU (days) | 4.3 (2.0, 9.9) | 3.9 (1.9, 8.7) | 3.9 (2.0, 9.0) | 5.1 (2.2, 12.0) | <0.001 |
28-day mortality, n (%) | 0.016 | ||||
No | 2373 (75.5) | 728 (72.8) | 732 (75) | 913 (78.1) | |
Yes | 772 (24.5) | 272 (27.2) | 244 (25) | 256 (21.9) | |
1-year mortality, n (%) | <0.001 | ||||
No | 1811 (57.6) | 531 (53.1) | 565 (57.9) | 715 (61.2) | |
Yes | 1334 (42.4) | 469 (46.9) | 411 (42.1) | 454 (38.8) | |
4-year mortality, n (%) | <0.001 | ||||
No | 1434 (45.6) | 404 (40.4) | 441 (45.2) | 589 (50.4) | |
Yes | 1711 (54.4) | 596 (59.6) | 535 (54.8) | 580 (49.6) |
BMI, body mass index; ICU, intensive care unit.