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Rector TS, Wickstrom SL, Shah M, Thomas Greenlee N, Rheault P, Rogowski J, Freedman V, Adams J, Escarce JJ. Specificity and sensitivity of claims-based algorithms for identifying members of medicare plus choice health plans that have chronic medical conditions. Health Services Research 2004;39(6):1839-1857. [Abstract]

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chronic disease
retrospective studies
Sensitivity and Specificity