Table 3.
Baseline subject characteristics for acute MI subgroup analysis.
| Variable | Type 1 MI (N = 22) | Type 2 MI (N = 12) | p-Value |
|---|---|---|---|
| Age (mean ± SD) years | 58.7 ± 15.1 | 56.3 ± 16.6 | 0.67 |
| Males (%) | 72.7 | 41.7 | 0.14 |
| Caucasian race (%) | 86.4 | 66.7 | 0.21 |
| Current smoker (%) | 45.5 | 50.0 | 1.00 |
| Currently consumes alcohol (%) | 36.4 | 33.3 | 0.78 |
| History of dyslipidemia (%) | 54.5 | 33.3 | 0.30 |
| History of diabetes mellitus (%) | 9.1 | 0.0 | 0.53 |
| History of hypertension (%) | 45.5 | 75.0 | 0.19 |
| History of atherosclerosis (%) (MI, CAD, PCI, CABG) | 40.9 | 33.3 | 0.73 |
| History of congestive heart failure (%) | 0.0 | 8.3 | 0.35 |
| History of chronic renal failure (%) | 4.5 | 8.3 | 0.43 |
| History of stroke (%) | 4.5 | 25.0 | 0.12 |
| HR at time of presentation (mean ± SD) | 87.4 ± 27.2 | 88.3 ± 27.5 | 0.93 |
| MAP at time of presentation (mean ± SD) | 104.1 ± 19.8 | 95.4 ± 26.9 | 0.29 |
| BMI at time of presentation (mean ± SD) | 27.5 ± 7.4 | 27.8 ± 6.7 | 0.90 |
| Time (hours) elapsed presentation to angiogram (median ± IQR, range) | 1.0 ± 1.0, 13.0 | 18.0 ± 9.5, 30.0 | <0.0001b |
| Baseline troponin (mean ± SD, range) mg/dL | 7.8 ± 14.9, 55.3 | 2.4 ± 2.9, 9.8 | 0.76b |
| Peak troponin (mean ± SD, range) | 51.6 ± 41.2, 145.7 | 11.6 ± 22.0, 68.2 | 0.0002b |
| Glucose at baseline (mean ± SD, range) | 166.5 ± 58.9, 246 | 118.0 ± 47.7, 182 | 0.01a |
| Creatinine at baseline (mean ± SD, range) | 0.98 ± 0.43, 2.38 | 1.21 ± 1.07, 3.80 | 0.50a |
| ST elevation on EKG at baseline | 100.0 | 25.0 | <0.0001 |
| One vessel with ≥50% coronary stenosis on enrollment angiogram | 100.0 | 0.0 | <0.0001 |
| Aspirin use at time of enrollment (%) | 86.4 | 91.7 | 1.00 |
| P2Y12 inhibitors use at enrollment (%) | 45.5 | 50.0 | 1.00 |
aWelch’s t-test.
bWilcoxon rank-sum test.
MI, myocardial infarction; CAD, coronary artery disease; PCI, percutaneous coronary intervention; CABG, coronary artery bypass grafting; HR, heart rate; SBP, systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure; BMI, body mass index; ACE-I, angiotensin converting enzyme inhibitor.