Table 2.
Angiographic characteristics after propensity score matching.
| Variable | On-Hours | p-Value | Off-Hours | p-Value | ||
|---|---|---|---|---|---|---|
| COVID-19 (−) (n = 877) |
COVID-19 (+) (n = 877) |
COVID-19 (−) (n = 418) |
COVID-19 (+) (n = 418) |
|||
| Extent of coronary artery disease: | ||||||
| Single-vessel disease | 464 (52.9%) | 508 (57.9%) | 0.002 | 222 (53.1%) | 221 (52.9%) | 0.6 |
| LMCA only | 5 (0.6%) | 1 (0.1%) | 0.002 | 0 (0.0%) | 3 (0.7%) | 0.6 |
| Multivessel disease without LMCA | 363 (41.4%) | 312 (35.6%) | 0.002 | 167 (40.0%) | 166 (39.7%) | 0.6 |
| Multivessel disease with LMCA | 45 (5.1%) | 56 (6.4%) | 0.002 | 29 (6.9%) | 28 (6.7%) | 0.6 |
| TIMI flow before PCI | ||||||
| 0 | 479 (54.6%) | 490 (55.9%) | 0.9 | 254 (60.8%) | 233 (55.7%) | 0.15 |
| 1 | 129 (14.7%) | 121 (13.8%) | 0.9 | 39 (9.3%) | 60 (14.4%) | 0.15 |
| 2 | 138 (15.7%) | 136 (15.5%) | 0.9 | 76 (18.2%) | 76 (18.2%) | 0.15 |
| 3 | 131 (14.9%) | 130 (14.8%) | 0.9 | 49 (11.7%) | 49 (11.7%) | 0.15 |
| TIMI flow after PCI | ||||||
| 0 | 16 (1.8%) | 25 (2.9%) | 0.048 | 10 (2.4%) | 9 (2.2%) | 0.6 |
| 1 | 16 (1.8%) | 21 (2.4%) | 0.048 | 4 (1.0%) | 9 (2.2%) | 0.6 |
| 2 | 30 (3.4%) | 49 (5.6%) | 0.048 | 25 (6.0%) | 25 (6.0%) | 0.6 |
| 3 | 815 (92.9%) | 782 (89.2%) | 0.048 | 379 (90.7%) | 375 (89.7%) | 0.6 |
Data are presented as number (percentage). LMCA—left main coronary artery; PCI—percutaneous coronary intervention; TIMI—thrombolysis in myocardial infarction.