. Author manuscript; available in PMC: 2013 Nov 1.

Published in final edited form as: Am J Emerg Med. 2012 May 23;30(9):1822–1828. doi: 10.1016/j.ajem.2012.03.002

Table 1.

Demographics and medical history by diagnosis (n = 565).

Characteristic	Non-ACS (n = 234)	ACS (n = 331)	p
	n (%)	n (%)
Age, years (mean, SD)	68 ± 12	68 ± 12	.892
Gender
Men	146 (62)	221 (67)	0.283

Ethnicity
White	208 (90)	301 (91)	0.422

Medical History
Angina	152 (65)	240 (73)	0.055
MI	120 (51)	200 (60)	0.031
Cardiac Surgery	92 (40)	145 (44)	0.287
PCI	119 (51)	208 (63)	0.004
Diabetes	42 (18)	87 (26)	0.020
Hypercholesterolemia	140 (60)	229 (69)	0.021
Hypertension	136 (58)	207 (63)	0.290

ACS = acute coronary syndrome, MI = myocardial infarction, PCI = percutaneous coronary intervention