Results of multivariate analysis of 6-month composite outcome in the intention-to-treat populations
| Variables | Univariate model | Multivariate model | ||
| HR (95% CI) | P value | HR (95% CI) | P value | |
| Coronary intervention group (early vs delayed) | 0.36 (0.13 to 1.02) | 0.055 | 2.00 (0.49 to 8.16) | 0.332 |
| PCI (not performed vs performed) | 0.23 (0.08 to 0.65) | 0.005 | N/A | – |
| No reflow (absent vs present) | 7.79 (2.39 to 25.37) | 0.001 | 5.55 (1.36 to 22.71) | 0.017 |
| Thrombus aspiration (not performed vs performed) | 5.95 (1.83 to 19.34) | 0.003 | 7.83 (1.67 to 36.59) | 0.009 |
| Glycoprotein IIb/IIIa (used vs not used) | 1.67 (0.54 to 5.04) | 0.371 | 1.04 (0.24 to 4.47) | 0.956 |
| Bare-metal stent (used vs not used) | 5.66 (1.74 to 18.42) | 0.004 | 7.43 (1.89 to 29.08) | 0.004 |
PCI, percutaneous coronary intervention;N/A, not applicable.