Baseline characteristics of the study subgroups.

Abstract

<p>Data are mean (SD) or n (%). Fluid 24 = Fluid balance in the first 24 hours after ICU admission; MAP = mean "mean arterial pressure" over the first 24 hours; Hemoglobin = mean hemoglobin level in the first 24 hours; Urine output = mean urine output ml/kg/h in first 24 hours.</p><p>Baseline characteristics of the study subgroups.</p