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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Crit Care Med. 2012 Apr;40(4):1129–1135. doi: 10.1097/CCM.0b013e3182376e9f

Table 1.

Cohort Demographics (N=1,002)

Age; median (IQR) 40 (26, 54)
Sex (% male) 65
Race (% of total)
 White 88.2
 African-American 7.4
 Asian 2.6
 Other 1.8
Ethnicity (% of total)
 Non-Hispanic 84.6
 Hispanic 12.2
 Unknown 3.2
Pre-Existing Comorbidity (% of total)
 Hypertension 15
 Alcohol use 13.4
 Diabetes 7
 Liver disease 4.4
 COPD 3.5

IQR: Interquartile range; COPD: Chronic obstructive pulmonary disease