TABLE 2.
Outcome by Weight Group
| Variable | Overall | Underweight | Normal Weight | Overweight | Obese | P |
|---|---|---|---|---|---|---|
| n (%) | 3719 | 1059 (28.5) | 1649 (44.3) | 423 (11.4) | 588 (15.8) | — |
| 28-d mortality, No. (%) | 129 (3.6) | 60 (5.8) | 50 (3.1) | 9 (2.2) | 10 (1.8) | <.0001 |
| ICU length of stay, d, median (IQR) | 2 (1–5) | 3 (1–6) | 2 (1–4) | 2 (1–4) | 2 (1–5) | <.0001 |
| Mechanical ventilation support, No. (%) | 1116 (31.0) | 387 (37.4) | 464 (29.2) | 109 (26.7) | 156 (27.5) | <.0001 |
| Mechanical ventilation, d, median (IQR) | 2 (1–4) | 2 (1–4) | 2 (1–4) | 2 (1–3) | 2 (1–5) | .13 |
| Vasoactive support, No. (%) | 527 (14.6) | 166 (16.0) | 218 (13.7) | 54 (13.2) | 89 (15.7) | .28 |
| KDIGO stage 1 AKI at d 3, No. (%) | 118 (8.1) | 40 (8.3) | 58 (9.5) | 7 (4.9) | 13 (5.9) | .17 |
| Severe KDIGO stage 2 and 3 at d 3, No. (%) | 120 (8.2) | 44 (9.2) | 47 (7.7) | 13 (9.0) | 16 (7.2) | .75 |
| Renal replacement therapy support, No. (%) | 52 (1.4) | 15 (1.6) | 27 (1.7) | 6 (1.5) | 3 (0.5) | .25 |
| Fluid overload >10% at d 3, No. (%) | 515 (33.5) | 221 (44.0) | 208 (32.5) | 40 (26.1) | 46 (19.1) | <.0001 |
—, not applicable.