Why the study?
Do administrative-data based comorbidity indices accurately predict mortality compared with a chart-review index in Medicare beneficiaries with atrial fibrillation?
Do administrative-data based comorbidity indices accurately predict mortality compared with a chart-review index in Medicare beneficiaries with atrial fibrillation?
Administrative-data based comorbidity indices perform similarly to chart-review indices in predicting mortality among Medicare beneficiaries with atrial fibrillation.
Authors
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Administrative indices predict mortality similarly to chart review in Medicare AF; supports large-scale use but leaves open prospective validation.
Yan et al. (2005) studied this question.
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