1. Date of download: 6/21/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Risk Stratification for In-Hospital Mortality in Acutely Decompensated Heart Failure: Classification and Regression Tree Analysis JAMA. 2005;293(5):572-580. doi:10.1001/jama.293.5.572 Each node is based on available data from registry patient hospitalizationsfor each predictive variable presented. BUN indicates blood urea nitrogen.To convert BUN to mmol/L, multiply by 0.357; creatinine to μmol/L, multiplyby 88.4. Figure Legend:

2. Date of download: 6/21/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Risk Stratification for In-Hospital Mortality in Acutely Decompensated Heart Failure: Classification and Regression Tree Analysis JAMA. 2005;293(5):572-580. doi:10.1001/jama.293.5.572 Each node is based on available data from registry patient hospitalizationsfor each predictive variable presented. BUN indicates blood urea nitrogen.To convert BUN to mmol/L, multiply by 0.357; creatinine to μmol/L, multiplyby 88.4. Figure Legend:

3. Date of download: 6/21/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Risk Stratification for In-Hospital Mortality in Acutely Decompensated Heart Failure: Classification and Regression Tree Analysis JAMA. 2005;293(5):572-580. doi:10.1001/jama.293.5.572 Log odds of mortality was calculated for all records in the derivationcohort and risk group cut points established at percentile rankings equivalentto those of the classification and regression tree model (65th, 78th, 94th,and 98th percentiles). Figure Legend: