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Table 5 The hazard ratio of factors associated with MI mortality in patients in Iran (2012–2013)

From: Relationship between risk factors and in-hospital mortality due to myocardial infarction by educational level: a national prospective study in Iran

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

  1. *Hazard ratio (confidence interval 95%).
  2. 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.