Table 3. In-hospital outcomes among stratified door-to-balloon times .
Door-to-balloon time (minutes) | < 45 | 45-90 | 91-135 | > 135 | p-value |
Death, n (%) | 5 (2.7%) | 9 (2.03%) | 5 (1.7%) | 9 (2.2%) | 0.90 |
Cardiac | 4 (80.0%) | 7 (77.8%) | 5 (100.0%) | 7 (87.5%) | 0.71 |
Non-cardiac | 1 (20.0%) | 2 (22.2%) | 0 (0.0%) | 1 (12.5%) | |
Re-MI | 0 (0.0%) | 6 (1.4%) | 2 (0.7%) | 2 (0.5%) | 0.27 |
Unplanned PCI | 0 (0.0%) | 3 (0.7%) | 0 (0.0%) | 1 (0.3%) | 0.31 |
Stroke | 1 (0.5%) | 0 (0.0%) | 0 (0.0%) | 2 (0.5%) | 0.29 |
MACE | 5 (2.7%) | 17 (3.8%) | 7 (2.3%) | 12 (3.0%) | 0.68 |
MACE or stroke | 6 (3.2%) | 17 (3.8%) | 7 (2.3%) | 14 (3.5%) | 0.73 |
MACE or CABG or stroke | 7 (3.7%) | 18 (4.1%) | 8 (2.7%) | 18 (4.5%) | 0.65 |
Acute renal failure | 2 (1.1%) | 3 (0.7%) | 3 (1.0%) | 14 (3.5%) | < 0.01* |
Total hospital stay, day | 6.6 ± 6.5 | 6.7 ± 6.4 | 6.3 ± 4.8 | 8.3 ± 10.8 | < 0.01* |
MACE, major adverse cardiac event(s) indicating mortality, re-MI and unplanned PCI; MI, myocardial infarction; PCI, percutaneous coronary intervention.
* Comparison among groups by chi-square test for categorical variables and by ANOVA test for continuous variables.