Table 1.
Baseline characteristics of cardiac catheterization procedures for STEMI
| January 1 to May 10, 2019 | January 1 to March 15, 2020 | March 16 to May 10, 2020 | P | ||||
|---|---|---|---|---|---|---|---|
| STEMI patients |
2513 |
1397 |
824 |
||||
| Mean age (SD) | 63.6 (12.6) |
% | 63.9 (12.5) |
% | 63.5 (12.5) |
% | 0.770 |
| n | n | n | |||||
| Female sex | 680 | 27.1 | 406 | 29.1 | 225 | 27.3 | 0.392 |
| Diabetes | 559 | 22.2 | 307 | 22 | 177 | 21.5 | 0.898 |
| Hypertension | 1285 | 51.1 | 696 | 49.8 | 399 | 48.4 | 0.370 |
| Hyperlipidemia | 1050 | 41.8 | 537 | 38.4 | 311 | 37.7 | 0.039 |
| Previous MI | 296 | 11.8 | 116 | 8.3 | 65 | 7.9 | < 0.001 |
| Previous CHF | 61 | 2.4 | 30 | 2.1 | 11 | 1.3 | 0.173 |
| Previous PCI | 330 | 13.1 | 174 | 12.5 | 98 | 11.9 | 0.613 |
| Previous CABG | 101 | 4 | 47 | 3.4 | 25 | 3 | 0.336 |
| COPD | 101 | 4 | 61 | 4.4 | 19 | 2.3 | 0.038 |
| EMS presentation | 1468 | 58.4 | 845 | 60.5 | 564 | 68.5 | < 0.0001 |
| Symptom onset to FMC > 12 hours | 60 (1551) | 3.7 | 33 (834) | 3.8 | 13 (520) | 2.4 | 0.326 |
| Total PCI | 2141 | 85.2 | 1176 | 84.2 | 722 | 87.6 | 0.084 |
| PPCI | 1843 | 73.3 | 990 | 70.9 | 622 | 75.5 | 0.051 |
| Pharmacoinvasive PCI | 146 | 5.8 | 87 | 6.2 | 38 | 4.6 | 0.275 |
| Rescue PCI | 53 | 2.1 | 36 | 2.6 | 19 | 2.3 | 0.643 |
| Late PCI (> 24 hours) | 99 | 3.9 | 63 | 4.5 | 43 | 5.2 | 0.272 |
| Cardiac catheterization only | 372 | 14.8 | 221 | 15.8 | 102 | 12.4 | 0.084 |
CABG, coronary artery bypass surgery; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; EMS, emergency medical systems; FMC, first medical contact; MI, myocardial infarction; PCI, percutaneous coronary intervention; PPCI, primary percutaneous coronary intervention; STEMI, ST-elevation myocardial infarction.