Preoperative prediction of early mortality
in redocoronary artery surgery
 
Variables :
Preoperative evaluation (help) 		Values Beta
Diabetes
Vascular disease
Lung disease
Between MI
Operative status
Time period (first operation)

 

 

 "S" score =
"S" score = Logit = -2.89 + Sum (values*beta)

Probability of early mortality
(6 months postoperative):
.
Predicted death rate = 1/ (1 + e-Logit) e

Reference

Van Eck FM et al. Preoperative prediction of early mortality in redocoronary artery surgery. Eur J Cardiothorac Surg 2002;21:1031-6