The Charlson Comorbidity Index Can Be Used Prospectively to Identify Patients Who Will Incur High Future Costs

Mary Charlson, Martin T Wells, Ralph Ullman, Fionnuala King and Celia Shmukler

PLOS ONE, 2014, vol. 9, issue 12, 1-16

Abstract: Background: Reducing health care costs requires the ability to identify patients most likely to incur high costs. Our objective was to evaluate the ability of the Charlson comorbidity score to predict the individuals who would incur high costs in the subsequent year and to contrast its predictive ability with other commonly used predictors. Methods: We contrasted the prior year Charlson comorbidity index, costs, Diagnostic Cost Group (DCG) and hospitalization as predictors of subsequent year costs from claims data of fund that provides comprehensive health benefits to a large union of health care workers. Total costs in the subsequent year was the principal outcome. Results: Of the 181,764 predominantly Black and Latino beneficiaries, 70% were adults (mean age 45.7 years; 62% women). As the comorbidity index increased, total yearly costs increased significantly (P

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0112479

DOI: 10.1371/journal.pone.0112479

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