Table 3.
Multivariate Cox proportional hazard regression analysis of predictors of 30-day and 1-year MACE.
| Variables | Hazard ratio | 95% CI | P |
|---|---|---|---|
| 30-day | |||
| Female sex | 1.810 | 1.120–2.924 | 0.015 |
| Heart rate | 1.019 | 1.007–1.031 | 0.002 |
| DBP | 0.975 | 0.957–0.992 | 0.006 |
| Killip class | 1.449 | 1.177–1.785 | <0.001 |
| Ejection fraction | 0.961 | 0.940–0.983 | <0.001 |
| fT3 | 0.719 | 0.528–0.979 | 0.036 |
| Serum creatinine | 1.004 | 1.002–1.004 | <0.001 |
| TnI | 1.041 | 1.020–1.062 | <0.001 |
| Reperfusion | 0.365 | 0.224–0.595 | <0.001 |
|
| |||
| 1-year | |||
| Killip class | 1.338 | 1.156–1.549 | <0.001 |
| Ejection fraction | 0.971 | 0.955–0.987 | <0.001 |
| fT3 | 0.557 | 0.445–0.698 | <0.001 |
| fT4 | 1.067 | 1.014–1.123 | 0.013 |
| TSH | 1.100 | 1.009–1.199 | 0.031 |
| Reperfusion | 0.497 | 0.358–0.692 | <0.001 |
MACE: major adverse cardiac event; DBP: diastolic blood pressure; fT3: free triiodothyronine; fT4: free thyroxine; TnI: troponin I; TSH: thyroid-stimulating hormone.