Association of Charlson Comorbidity Index with Clinical Characteristics and Outcomes in Heart Failure.
BACKGROUND The Charlson comorbidity index (CCI) is a validated weighted measure of comorbidity burden, but has an unclear role in heart failure (HF). OBJECTIVES To characterize age-adjusted CCI (ACCI) in HF, its association with the use of guideline-directed medical therapy (GDMT) and with outcomes. METHODS In the...