Table 4. One-year cardiovascular outcomes among groups stratified by door-to-balloon times .
| Door-to-balloon time (minutes) | < 45 | 45 - 90 | 91 - 135 | > 135 | p-value |
| Finish 12-month follow-up | 149 (93.7%) | 374 (95.4%) | 240 (94.1%) | 326 (94.2%) | 0.82 |
| Death within 12 months | 10 (6.3%) | 18 (4.6%) | 15 (5.9%) | 20 (5.8%) | 0.82 |
| Cardiac | 4 (2.6%) | 8 (2.1%) | 8 (3.3%) | 11 (3.3%) | 0.14 |
| Non-cardiac | 5 (3.2%) | 4 (1.0%) | 0 (0.0%) | 4 (1.2%) | |
| Unknown | 1 | 6 | 7 | 5 | |
| MI | 4 (2.7%) | 16 (4.3%) | 6 (2.5%) | 13 (3.9%) | 0.60 |
| TVR | 21 (14.0%) | 15 (4.0%) | 16 (6.6%) | 23 (7.0%) | < 0.01* |
| Re-PCI | 45 (29.6%) | 70 (18.6%) | 44 (18.3%) | 58 (17.6%) | 0.01* |
| CABG | 2 (1.3%) | 2 (0.5%) | 3 (1.2%) | 2 (0.6%) | 0.67 |
| Stroke | 2 (1.3%) | 5 (1.3%) | 4 (1.7%) | 4 (1.2%) | 0.97 |
| MACE | 34 (21.7%) | 46 (11.9%) | 34 (13.6%) | 50 (14.5%) | 0.03* |
| A composite endpoints (death, MI, TVR, Re-PCI, CABG, and stroke) | 55 (34.6%) | 85 (21.9%) | 54 (21.7%) | 73 (21.2%) | < 0.01* |
CABG, coronary artery bypass grafting; MACE, major adverse cardiac events; MI, myocardial infarction. PCI, percutaneous coronary intervention; TVR, target vessel revascularization.
* Comparison among groups by chi-square test for categorical variables and by ANOVA test for continuous variables.