Table 1. Baseline patient characteristics.
| Variables | Total stent length (mm) | Overall population | p-value | |
| ≤40 (N=8,035) | >40 (N=1,182) | (N=9,217) | ||
| Age, years | 63.3±11.1 | 65.5±10.8 | 63.6±11.1 | <0.001 |
| Gender, male | 5,631 (70.1%) | 839 (71.0%) | 6,470 (70.2%) | 0.527 |
| Diabetes mellitus | 2,699 (33.6%) | 463 (39.2%) | 3,162 (34.3%) | <0.001 |
| Hypertension | 4,814 (59.9%) | 751 (63.5%) | 5,565 (60.4%) | 0.017 |
| Dyslipidaemia | 3,274 (40.7%) | 486 (41.1%) | 3,760 (40.8%) | 0.809 |
| PVD | 141 (1.8%) | 29 (2.5%) | 170 (1.8%) | 0.096 |
| CKD | 2,670 (35.4%) | 453 (40.7%) | 3,123 (36.0%) | <0.001 |
| Current smoking | 2,426 (30.2%) | 307 (26.0%) | 2,733 (29.7%) | 0.003 |
| Previous PCI | 1,375 (17.1%) | 173 (14.6%) | 1,548 (16.8%) | 0.033 |
| Previous CABG | 160 (2.0%) | 35 (3.0%) | 195 (2.1%) | 0.031 |
| Previous MI | 476 (5.9%) | 72 (6.1%) | 548 (5.9%) | 0.820 |
| Previous CHF | 162 (2.0%) | 38 (3.2%) | 200 (2.2%) | 0.008 |
| Previous CVA | 589 (7.3%) | 112 (9.5%) | 701 (7.6%) | 0.009 |
| Diagnosis | ||||
| Stable angina | 2,622 (32.6%) | 396 (33.5%) | 3,018 (32.7%) | |
| Unstable angina | 2,689 (33.5%) | 370 (31.3%) | 3,059 (33.2%) | |
| NSTEMI | 1,078 (13.4%) | 166 (14.0%) | 1,244 (13.5%) | |
| STEMI | 1,300 (16.2%) | 177 (15.0%) | 1,477 (16.0%) | |
| LVEF (%) | 58.5±14.2 | 56.5±11.9 | 58.2±13.9 | <0.001 |
| LV dysfunction (EF <40%) | 1,659 (20.6%) | 243 (20.6%) | 1,902 (20.6%) | 0.944 |
| Medications | ||||
| Aspirin | 7,969 (99.3%) | 1,171 (99.2%) | 9,140 (99.3%) | 0.804 |
| Clopidogrel | 7,845 (97.8%) | 1,161 (98.4%) | 9,006 (97.8%) | 0.170 |
| DAPT | 7,952 (99.0%) | 1,170 (99.0%) | 9,122 (99.0%) | 0.955 |
| Statin | 7,070 (88.0%) | 1,012 (85.6%) | 8,082 (87.7%) | 0.020 |
| ACE inhibitors | 2,579 (32.1%) | 355 (30.0%) | 2,394 (31.8%) | 0.155 |
| ARBs | 2,540 (31.6%) | 424 (35.9%) | 2,964 (32.2%) | 0.003 |
| Beta-blockers | 4,973 (61.9%) | 772 (65.3%) | 5,745 (62.3%) | 0.023 |
| CCB | 2,035 (25.3%) | 301 (25.5%) | 2,336 (25.3%) | 0.919 |
| Warfarin | 158 (2.0%) | 28 (2.4%) | 186 (2.0%) | 0.358 |
| Continuous variables expressed as mean±SD. ACE: angiotensin-converting enzyme; ARB: aldosterone receptor blocker; CABG: coronary artery bypass graft; CCB: calcium channel blocker; CHF: congestive heart failure; CKD: chronic kidney disease; CVA: cerebrovascular accident; DAPT: dual antiplatelet therapy; LVEF: left ventricular ejection fraction; MI: myocardial infarction; NSTEMI: non-ST-elevation myocardial infarction; PCI: percutaneous coronary intervention; PVD: peripheral vascular disease; STEMI: ST-elevation myocardial infarction | ||||