Table 1.
study population characteristics
| Controls | Cases | |
|---|---|---|
| N = 468 | N = 225 | |
| Demographics | ||
| Age (years) (± SD) | 69 ± 12 | 67 ± 11 |
| Gender (% male) | 62.8 | 64.9 |
| Race (%) | ||
| European American | 88 | 88.4 |
| African American | 9.4 | 10.7 |
| Other | 2.6 | 0.9 |
| Body mass index (kg/m2) (± SD) | 30.2 ± 6.6 | 30.5 ± 6.0 |
| Past medical history (%) | ||
| Hypertension | 84.6 | 72.9 |
| Diabetes | 34.8 | 34.8 |
| Hyperlipidemia | 95.5 | 87.1 |
| Smoking | ||
| Current | 16.4 | 15.6 |
| Ever | 47.1 | 38.7 |
| Never | 36.4 | 45.8 |
| Heart failure | 13.7 | 19.1 |
| Primary event (%) | ||
| MI | 4.1 | 6.7 |
| Stent | 67.9 | 70.2 |
| Both | 28 | 23.1 |
| Number of stents (%) | N = 449 | N = 210 |
| 1 stent | 65.2 | 56.6 |
| >1 stent | 32.7 | 43.3 |
| Unknown | 1.8 | 0.0 |
| Stent type | ||
| Bare metal | 33.6 | 21.4 |
| Drug-eluting | 60.8 | 67.1 |
| Mixed | 2.9 | 3.3 |
| Unknown | 2.7 | 8.1 |
| Stent locationsa | ||
| LMCA | 1.1 | 3.3 |
| LAD | 45.7 | 33.8 |
| LCX | 22.0 | 25.7 |
| RCA | 39.6 | 37.6 |
| Graft | 2.4 | 15.7 |
LAD, left anterior descending coronary artery; LCX, left circumflex coronary artery; LMCA, left main coronary artery; MI, myocardial infarction; RCA, right coronary artery.
a
Percentages total more than 100% because patients may receive more than one intervention.