Table 9

Factors associated with the use of β-Blockers: logistic regression models using 10-fold cross-validation for patients surviving to discharge

VariableSubset (excluding)No. of times included
12345678910
Age <75 years++++++++++10
Loop diuretics++++++++++10
Hypertension++++++++++10
MI+++++++++9
Sex (men)+++++++++9
Echo with LVSD+++++++++9
Echo without LVSD++++++++8
AF rhythm on ECG++2
Misclassification rate on excluded subset (%)34333542363134383435
  • + means that a variable has been included in the model. Subset (excluding) 1 means all patients included except those in subset 1. Subset 1 was used to calculate a misclassification rate for model 1, etc.

  • AF, atrial fibrillation; LVSD, left ventricular systolic dysfunction; MI, myocardial infarction.