Table 1.
Variable | No. (%) |
---|---|
N | 260 |
Female | 137 (53) |
Race/ethnicity | |
Non-Hispanic white | 200 (77) |
Black/African American/Hispanic/Latino | 60 (23) |
Home oxygen | 55 (21) |
Prehospital dialysis | 20 (8) |
Mean (SD) | |
Age, yr | 56.4 (15.3) |
APACHE III score | 72.8 (25.5) |
Mean arterial blood pressure, mm Hg | 76.8 (22.9) |
PaCO2, mm Hg | 44.6 (16.9) |
PaO2:FiO2 | 182.8 (84.2) |
Definition of abbreviations: APACHE = Acute Physiology and Chronic Health Evaluation; FiO2 = fraction of inspired oxygen; PaCO2 = arterial carbon dioxide pressure; PaO2 = arterial oxygen tension pressure; SD = standard deviation.