Prognostic implications of negative dobutamine stress echocardiography in African Americans compared to Caucasians

Table 3 Risk-adjusted Cox proportional hazards regression analysis for predicting cardiac death/M.I in African-American and Caucasian patients with NDSE

	Hazard Ratio	95% CL	P-value
Race (African-American)	2.878	1.608 – 5.151	<0.001 *
Age in Years	1.031	1.007 – 1.056	0.011 *
Male	1.392	0.816 – 2.375	0.225
Diabetes	1.522	0.900 – 2.576	0.117
CAD/Prior MI/Prior Revascularization	1.537	0.861 – 2.746	0.146
History of CHF	1.098	0.567 – 2.127	0.781
Hypertension	1.002	0.345 – 2.910	0.997
Hypercholesterolemia	1.002	0.587 – 1.710	0.994
Tobacco Use	1.677	0.954 – 2.948	0.072
Chest Pain	1.587	0.739 – 3.407	0.236
B-Blocker/CC-Blocker	1.164	0.674 – 2.010	0.586
LVH	0.756	0.444 – 1.285	0.301
EF in Percent	0.978	0.955 – 1.002	0.071
PMHR ≥ 85%	1.344	0.788 – 2.292	0.278

*Statistically significant; CAD = coronary arterial disease; CHF = chronic heart failure; CL = confidence limits; EF = ejection fraction; LVH = left ventricular hypertrophy; MI = myocardial infarction; PMHR = predicted maximal heart rate; NDSE = Negative Dobutamine Stress Echocardiography

ISSN: 1476-7120