Fig. 1From: Cardiovascular outcomes among elderly patients with heart failure and coronary artery disease and without atrial fibrillation: a retrospective cohort studyPatient Selection Criteria. AF: atrial fibrillation; CAD: coronary artery disease; HF: heart failure; LVSD: HF patients with left ventricular systolic dysfunction. *The final HF sample size used for the sensitivity analysis is less than the sum of the inpatient and outpatient populations because the populations were not mutually exclusive. **The HF sample used for main analysisBack to article page