Table 1.
Baseline Characteristics of Patients Discharged on Dual Antiplatelet Therapy After Percutaneous Coronary Intervention Compared Across Baseline WBC Tertiles
| WBC Tertile 1 (2.1–7.1 ×103 cells/μL; n=1469) | WBC Tertile 2 (7.11–9.1×103 cells/μL; n=1353) | WBC Tertile 3 (9.11–29.0× 103 cells/μL; n=1400) | Ptrend Value | |
|---|---|---|---|---|
| Age, y | 65.4±10.6 | 64.1±11.0 | 61.8±11.9 | <0.001 |
| Male sex (%) | 73.8 | 74.4 | 75.6 | 0.28 |
| Body mass index, kg/m2 | 29.0±5.4 | 29.6±5.7 | 29.2±5.9 | 0.27 |
| Medical history (%) | ||||
| Dyslipidemia | 80.0 | 78.1 | 68.1 | <0.001 |
| Hypertension | 84.8 | 81.7 | 75.1 | <0.001 |
| Diabetes mellitus | 35.3 | 34.7 | 30.6 | 0.01 |
| Prior coronary artery disease (MI, PCI, or CABG) | 54.7 | 49.8 | 38.8 | <0.001 |
| Stroke | 3.2 | 3.3 | 3.3 | 0.90 |
| Peripheral vascular disease | 6.5 | 7.2 | 7.5 | 0.28 |
| Tobacco use (%) | 11.4 | 17.7 | 31.0 | <0.001 |
| Medications (%) | ||||
| Aspirin | 78.4 | 73.5 | 58.6 | <0.001 |
| Thienopyridine | 50.6 | 41.9 | 32.0 | <0.001 |
| Glycoprotein IIb/IIIa inhibitor use | 11.1 | 14.5 | 19.9 | <0.001 |
| Cardiac status at admission (%) | ||||
| Acute coronary syndrome | 32.6 | 38.7 | 56.9 | <0.001 |
Continuous data presented as mean±SD. CABG indicates coronary artery bypass graft; MI, myocardial infarction; PCI, percutaneous coronary intervention with stent placement; and WBC, white blood cell.