Table 1. Patient Characteristics.

Age (mean ± standard deviation)	56.3 ± 13.2 years
Male	15/27 (56%)
Diabetes	9/27 (33%)
Hypertension	21/27 (78%)
Elevated Cholesterol	21/27 (78%)
Smoking	18/27 (67%)
Family history of CAD	23/27 (85%)
Prior revascularization (stent, CABG)	5/27 (19%)
Negative cardiac enzymes	27/27 (100%)
Cardiac SPECT within 24 h of chest pain	27/27 (100%)
MRI within 3 h of SPECT	27/27 (100%)

CAD = coronary artery disease, CABG = coronary artery bypass graft, SPECT = single photon emission computed tomography.