Research Paper Volume 16, Issue 9 pp 8246—8259
Construction and validation of nomogram model for predicting the risk of ventricular arrhythmia after emergency PCI in patients with acute myocardial infarction
Figure 1. Screening of risk factors for ventricular arrhythmia after emergency PCI in patients with AMI based on stepwise regression. (A) Random forest variable importance ranking; SBP: Systolic blood pressure; LVEF: Left ventricular ejection fraction; (B) Consistency index of prognostic models constructed by different clinical factors on training set and validation set; 1. Urea; 2. SBP:Systolic blood pressure; 3. LVEF:Left ventricular ejection fraction; 4. Killip Score II-IV; 5. Hypertension; 6. Urea/SBP; 7. Urea/SBP/LVEF; 8. Urea/SBP/LVEF/Killip Score II-IV; 9. Urea/SBP/LVEF/Killip Score II-IV/Hypertension.