Table 5.
The hazard ratio of factors associated with MI mortality in patients in Iran (2012–2013)
| Factor | Univariate analysis | Multivariate cox model | ||
|---|---|---|---|---|
| HR:CI95% * | P-Value | HR:CI95% | P-Value | |
| Gender | ||||
| Men | Ref. | - | - | - |
| women | 1.38:1.27-1.5 | 0.001 | 1.28:1.17-1.40 | 0.001 |
| Education | ||||
| Illiterate | 1.41:1.18-1.67 | 0.001 | 1.27:1.06-1.52 | 0.007 |
| Primary | 1.05:0.87-1.27 | 0.557 | 0.93:0.77-1.13 | 0.503 |
| Secondary | 0.78:0.62-0.99 | 0.041 | 0.72:0.57-0.91 | 0.006 |
| High school | 0.83:0.67-1.02 | 0.083 | 0.82:0.66-1.01 | 0.06 |
| University | Ref. | - | - | - |
| Diabetes mellitus * | 1.1:1–1.2 | 0.039 | 1.06:0.97-1.17 | 0.172 |
| Smoker * | 1.31:1.2-1.42 | 0.001 | 1.16:1.06-1.27 | 0.001 |
| VT * | 2.19:1.93 – 2.49 | 0.001 | 1.67:1.46-1.90 | 0.001 |
| STEMI * | 3.27: 3.01 -3.55 | 0.001 | 1.32:1.18-1.48 | 0.001 |
| RBBB * | 2.81:2.23 – 3.55 | 0.001 | 2.45:1.94-3.11 | 0.001 |
| Chest pain * | 4.68:4.3-5.08 | 0.001 | 4.06:3.73-4.43 | 0.001 |
| Lack of TT * | 1.91:1.77-2.07 | 0.001 | 1.57:1.44-1.72 | 0.001 |
| PCI * | 0.42:0.34 – 0.53 | 0.001 | 0.61:0.49-0.77 | 0.001 |
*Hazard ratio (confidence interval 95%).
VT- ventricular tachycardia; STEMI- ST-segment elevation myocardial infarction; RBBB- right bundle branch block; TT- thrombolytic therapy; PCI- percutaneous coronary intervention; *The variables were entered as dichotomous (0 & 1) and 0 was set as reference.