| Model ID | 14-022-03 | 
 | Model Name | Chyu 2014 - Entire Population | 
 | Pubmed ID | 24281135 | 
 | First Author | Chyu | 
 | Journal | Circulation: Heart Failure | 
 | Year | 2014 | 
 | Title | Four-variable risk model in men and women with heart failure | 
 | Primary Index Condition | Chronic Heart Failure (CHF) | 
 | Secondary Index Condition | N/A | 
 | Outcome | Mortality | 
 | Model Sample Size | 473 | 
 | Cohort Sample Size | 473 | 
 | Number of Events | NR | 
 | Follow-Up Duration | Long (>6 months) | 
 | AUROC | 0.802 | 
 | Calibration Reported | 1 | 
 | Covariates | ACEI/ARB use; NYHA class II; NYHA class III; NYHA class IV; ln BNP; Peak VO2 16-20; Peak VO2 10-16; Peak VO2 6-10; Peak VO2 <6; Peak VO2 unknown | 
 | Mesh Terms | To be updated | 
 | Number of Validations | 2 |