1
X Ethnicity (n = 555, 336, 219) White/Caucasian (reference) Unknown/Mixed/ Other Aboriginal Asian Obesity Diabetes mellitus Chronic obstructive pulmonary disease Alcohol abuse Chronic kidney disease Day 1 support, physiology, and laboratory values APACHE II score (n = 508, 306, 202) Invasive mechanical ventilation (n = 553, 338, 215) Inotrope or vasopressor Mean arterial pressure (mmHg) (n = 522,