Table 1.
Exploratory analysis of variable associates with strategy
| Chosen Strategy | p value | ||
|---|---|---|---|
| Invasive | Selective | ||
| Sample Size | 394 | 176 | |
| Male Gender | 204 (52%) | 82 (47%) | 0.25* |
| Age (years) | 66 ± 14 | 69 ± 14 | 0.01† |
| Positive Troponin | 249 (63%) | 69 (39%) | < 0.001* |
| ST Depression | 94 (24%) | 24 (14%) | 0.005* |
| Killip > 1 | 57 (15%) | 24 (14%) | 0.81* |
| LV Ejection Fraction < 45% | 26 (7.3%) | 12 (7.8%) | 0.84* |
| Systolic BP (mmHg) | 154 ± 28 | 155 ± 33 | 0.68† |
| Heart Rate (bpm) | 79 ± 20 | 77 ± 16 | 0.30† |
| Creatinine (mg/dl) | 1.1 ± 0.84 | 1.2 ± 1.1 | 0.35† |
| Diabetes | 143 (36%) | 62 (35%) | 0.79* |
| Smoking | 33 (8.4%) | 11 (6.3%) | 0.38* |
| Number of Risk Factors | 2.2 ± 1.0 | 2.1 ± 1.1 | 0.21† |
| Known Coronary Artery Disease | 209 (53%) | 104 (59%) | 0.19* |
| Hemoglobin | 13.4 ± 1.8 | 12.7 ± 2.1 | < 0.001† |
| CRUSADE Bleeding Score | 38 ± 15 | 41 ± 14 | 0.02† |
Known Coronary Artery Disease =Definitive history of myocardial infarction or coronary obstruction ≥50% at angiography; LV: left ventricle. BP: blood pressure.
*
Pearson's chi-square test p-values;
†
Unpaired Student's T test p-values.