The Study of Cardiovascular Health Outcomes in the Era of Claims Data: The Cardiovascular Health Study.

CONCLUSIONS: -The use of diagnostic codes from claims data as clinical events, especially when restricted to primary diagnoses, leads to an underestimation of event rates. Additionally, claims-based events data represent a composite endpoint that includes the outcome of interest and selected (misclassified) non-event hospitalizations.
PMID: 26538580 [PubMed - as supplied by publisher]

Source: Circulation - November 4, 2015 Category: Cardiology Authors: Psaty BM, Delaney JA, Arnold AM, Curtis LH, Fitzpatrick AL, Heckbert SR, McKnight B, Ives D, Gottdiener JS, Kuller LH, Longstreth WT Tags: Circulation Source Type: research