BioMed Research International / 2015 / Article / Tab 5

Clinical Study

Prognostic Significance of NT-proBNP Levels in Patients over 65 Presenting Acute Myocardial Infarction Treated Invasively or Conservatively

Table 5

Multivariable survival analysis using Cox’s regression model.

VariableHazard ratioConfidence range (95%) value

NT-proBNP levels (2 groups: above and below the third quartile border, 8548.5 pg/mL)0.33[0.13; 0.75]0.0132
Age (2 groups: above and below the third quartile border, 82 years old)0.44[0.2; 0.9]0.0319
EF (2 groups: above and below the third quartile border, 50%)4.06[2.26; 7.36]0.0001