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Figure 3 Comparison of the strength (chi-square values) for the prediction of 30-day major adverse cardiac events (MACE) rate (death, nonfatal myocardial infarction, and re-intervention) of multivariate models. Model 1 is the final model selected in the logistic regression analysis and included the variables displayed in Figure 2. The forced inclusion of sirolimus-eluting stent (SES) utilization (Model 2) did not enhance the predictive strength of the model, as reflected by the negligible change in the chi-square values.
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