Table 3.

Demographic Features

Characteristic	Number	Percent or ± SD
Sex
Male	58	55
Female	48	45
Age (yr)
Mean	47	± 16
18–30	16	15
31–40	24	23
41–50	26	25
51–60	18	17
61–70	11	10
71–80	5	5
>80	6	6
Race
White	47	44
Black	50	47
Other	9	8
Ethnicity
Hispanic	7	7
Hospital
Methodist	55	52
Eskenazi	51	48