Table 1. Baseline Characteristics of Patients Who Underwent Percutaneous Coronary Intervention by P2Y12 Inhibitor.
| Characteristic | P2Y12 Inhibitor, No. (%) | P Value | |||
|---|---|---|---|---|---|
| Clopidogrel (n = 36 584) | Prasugrel (n = 9395) | Ticagrelor (n = 3168) | None (n = 6193) | ||
| Age, mean (SD), y | 54.6 (7.0) | 53.9 (7.1) | 54.3 (7.2) | 54.1 (7.7) | <.001 |
| Women | 8613 (23.5) | 1861 (19.8) | 713 (22.5) | 1567 (25.3) | <.001 |
| Region | |||||
| Northeast | 3620 (9.9) | 791 (8.4) | 372 (11.7) | 492 (7.9) | <.001 |
| Midwest | 11 190 (30.6) | 2449 (26.1) | 924 (29.2) | 1679 (27.1) | |
| South | 17 143 (46.9) | 4873 (51.9) | 1467 (46.3) | 3287 (53.1) | |
| West | 4597 (12.6) | 1276 (13.6) | 402 (12.7) | 729 (11.8) | |
| Unknown | 34 (0.1) | 6 (0.1) | 3 (0.1) | 6 (0.1) | |
| Race | |||||
| White | 27 432 (75.0) | 7132 (75.9) | 2303 (72.7) | 4314 (69.7) | <.001 |
| Black | 3733 (10.2) | 836 (8.9) | 276 (8.7) | 801 (12.9) | |
| Hispanic | 2635 (7.2) | 641 (6.8) | 207 (6.5) | 486 (7.8) | |
| Asian | 765 (2.1) | 263 (2.8) | 86 (2.7) | 132 (2.1) | |
| Unknown | 2019 (5.5) | 523 (5.6) | 296 (9.3) | 460 (7.4) | |
| Household net worth, $ | |||||
| <25 000 | 3965 (10.8) | 925 (9.8) | 359 (11.3) | 855 (13.8) | <.001 |
| 25 000-149 999 | 7844 (21.4) | 1943 (20.7) | 637 (20.1) | 1476 (23.8) | |
| 150 000-249 999 | 5571 (15.2) | 1362 (14.5) | 470 (14.9) | 910 (14.7) | |
| 250 000-499 999 | 8642 (23.6) | 2288 (24.4) | 678 (21.4) | 1231 (19.9) | |
| ≥500 000 | 6129 (16.8) | 1772 (18.9) | 500 (15.8) | 700 (11.3) | |
| Unknown | 4433 (12.1) | 1105 (11.8) | 524 (16.5) | 1021 (16.5) | |
| Stent type | |||||
| Drug-eluting | 28 013 (76.6) | 8170 (87.0) | 2818 (89.0) | 4716 (76.2) | <.001 |
| Bare metal | 7219 (19.7) | 1017 (10.8) | 283 (8.9) | 894 (14.4) | |
| Unspecified | 1352 (3.7) | 208 (2.2) | 67 (2.1) | 583 (9.4) | |
| ACS as indication for PCI | 29 317 (80.1) | 8236 (87.7) | 2859 (90.2) | 4875 (78.7) | <.001 |
| Copayment of prescription per 30-d supply, mean (SD), $ | 21.4 (17.9) | 48.1 (34.4) | 48.6 (46.9) | NA | <.001 |
| Medication days supplied of prescription, mean (SD) | 32.9 (13.4) | 32.2 (11.7) | 32.4 (13.4) | NA | <.001 |
Abbreviations: ACS, acute coronary syndrome; NA, not applicable; P2Y12, platelet adenosine diphosphate P2Y12 receptor; PCI, percutaneous coronary intervention.