Table 2.
Risk of diuretic use during critical illness according to BMI
|
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---|---|---|---|---|---|---|
BMI groups | Per 5 kg/m2 positive | |||||
BMI < 18.5 | 18.5 ≥ BMI < 25 | 25 ≥ BMI < 30 | 30 ≥ BMI < 35 | BMI ≥ 35 | – | |
ICU diuretic use, n (%) | 81 (43.1) | 1071 (46.0) | 1417 (51.8) | 804 (54.4) | 573 (57.8) | |
Unadjusted | 0.89 (0.66–1.20) | 1.00 (Ref.) | 1.26 (1.13–1.41) | 1.40 (1.23–1.59) | 1.61 (1.38–1.87) | 1.13 (1.09–1.17) |
P = .44 | P < .001 | P < .001 | P < .001 | P < .001 | ||
Model 1a | 0.82 (0.61–1.12) | 1.00 (Ref.) | 1.32 (1.18–1.48) | 1.54 (1.34–1.76) | 1.89 (1.62–2.20) | 1.18 (1.14–1.22) |
P = .22 | P < .001 | P < .001 | P < .001 | P < .001 | ||
Model 2b | 0.81 (0.57–1.13) | 1.00 (Ref.) | 1.35 (1.20–1.53) | 1.56 (1.35–1.80) | 1.91 (1.61–2.26) | 1.19 (1.14–1.23) |
P = .21 | P < .001 | P < .001 | P < .001 | P < .001 |
Adjusted for age, sex, and race.
Adjusted for age, sex, race, ICU type, admission SAPS, and Elixhauser comorbidities (all except for obesity).