Table 1.

Demographic Characteristics of Study Participants

	Emergency Department (n = 446)	Intensive Care Unit (n = 472)	Combined Total (N = 918)
Characteristic	n (%)	n (%)	n (%)
Age; mean [range]	55 [20–103]	60 [19–99]	57 [19–103]
Sex
Male	249 (55.8)	267 (56.6)	516 (56.2)
Female	194 (43.5)	205 (43.4)	399 (43.5)
Not Reported	3 (0.7)	0 (0.0)	3 (0.3)
Race/Ethnicity
Black	278 (62.3)	254 (53.8)	532 (58.0)
White	113 (25.3)	147 (31.1)	260 (28.3)
Other	23 (5.2)	28 (5.9)	51 (5.6)
White Hispanic	18 (4.0)	11 (2.3)	29 (3.2)
Unknown	2 (0.5)	19 (4.0)	21 (2.3)
Not Reported	5 (1.1)	7 (1.5)	12 (1.3)
Asian	3 (0.7)	5 (1.1)	8 (0.9)
Black Hispanic	4 (0.9)	0 (0.0)	4 (0.4)
American Indian	0 (0.0)	1 (0.2)	1 (0.1)