Table 6.

Sample characteristics (N = 1,816 patients)

Characteristic	N	%
Gender
Male	1043	57.4%
Female	773	42.6%
Race
White	1444	79.5%
Black	216	11.9%
Asian	91	5.0%
Other or mixed	12	0.7%
Unknown	53	2.9%
Ethnicity
Hispanic	89	5.0%
Primary diagnosis
Non-cardiac diagnosis	513	28.2%
Acute MI or rule out MI	297	16.4%
Arrhythmia/syncope	286	15.7%
Heart failure	259	14.3%
Other cardiac diagnosis	196	10.8%
Known coronary artery disease, admitted for CABG surgery or PCI	119	6.6%
Unstable angina	78	4.3%
Rule out coronary artery disease, admitted for coronary angiography	59	3.2%
Drug overdose	7	0.4%
Other unknown	2	0.1%
Cardiac procedure
Cardiac surgery	269	14.8%
PCI	188	10.4%
On monitor (hardwire or telemetry)
Yes	1709	94.1%
No	107	5.9%
	Mean ± SD	Range
Age (years)	64.9 ± 15.3	18 – 98

MI, myocardial infarction; CABG, coronary artery bypass graft; PCI, percutaneous coronary intervention