Table 1 Baseline Patient Characteristics
Characteristic | All patients n=71 | MI n=46 | No MI n=25 | P value |
|---|---|---|---|---|
Age - years | ||||
Mean ± standard deviation | 57.9 ± 11.1 | 59.9 ± 9.9 | 54.2 ± 12.6 | 0.04 |
Maximum, minimum | 28, 83 | 38, 83 | 28,80 | |
Male sex – no (%) | 52 (73) | 35 (76) | 17 (68) | 0.47 |
CAD Risk Factors – no (%) | ||||
Family history | 12 (17) | 8 (17) | 4 (16) | 0.89 |
Hypertension | 49 (69) | 37 (80) | 12 (48) | 0.006 |
Dyslipidemia | 49 (69) | 40 (87) | 9 (36) | < 0.0001 |
Diabetes | 15 (21) | 14 (30) | 1 (4) | 0.012 |
Smoking | 27 (38) | 20 (57) | 7 (28) | 0.21 |
Known CAD – no (%) | 38 (54) | 37 (80) | 1 (4) | <0.0001 |
>3 CAD Risk Factors- no (%) | 21 (30) | 18 (39) | 3 (12) | 0.002 |
Medications (%) | ||||
Anti-platelets/anti coagulants | ||||
Aspirin | 49 (69) | 41 (89) | 8 (32) | <0.0001 |
Clopidogrel/Prasugrel | 18 (25) | 18 (39) | 0 (0) | 0.0004 |
Warfarin | 4 (6) | 3 (7) | 1 (4) | 0.69 |
Anti-hypertensives | ||||
Beta blocker | 48 (68) | 39 (85) | 9 (36) | <0.0001 |
Calcium channel blocker | 8 (11) | 5 (11) | 3 (12) | 0.89 |
ACE inhibitor | 28 (39) | 21 (46) | 7 (28) | 0.16 |
ARB | 9 (13) | 8 (17) | 1 (4) | 0.12 |
Diuretic | 15 (21) | 9 (20) | 6 (24) | 0.67 |
Long acting nitrates | 6 (8) | 6 (13) | 0 (0) | 0.08 |
Lipid Medications | ||||
Statin | 44 (62) | 38 (83) | 6 (24) | < 0.0001 |
Other lipid therapy | 8 (11) | 5 (11) | 3 (12) | 0.89 |
Diabetes Medications | ||||
Insulin | 7 (10) | 7 (15) | 0 (0) | 0.052 |
Oral diabetes agents | 11 (16) | 10 (22) | 1 (4) | 0.059 |
No Cardiovascular Medications | 9 (13) | 1 (2) | 8 (32) | 0.0002 |
Left ventricular ejection fraction % | ||||
Median, interquartile range | 56, 15 | 51, 20 | 60,8 | 0.002 |
Indication for scan (%) | ||||
Ischemia Assessment with Stress | 37 (52) | 22 (48) | 15 (60) | 0.34 |
Viability | 22 (31) | 22 (48) | 0 (0) | <0.0001 |
Other | 12 (17) | 2 (4) | 10 (40) | 0.0002 |
Nonischemic cardiomyopathy | 7 (10) | 1 (2) | 6 (24) | |
Aorta | 3 (4) | 1 (2) | 2 (8) | |
Congenital | 2 (3) | 0 (0) | 2 (8) | |