A novel approach for medical research on lymphomas: A study validation of claims-based algorithms to identify incident cases

Medicine
Cécile ConteMaryse Lapeyre-Mestre

Abstract

The use of claims database to study lymphomas in real-life conditions is a crucial issue in the future. In this way, it is essential to develop validated algorithms for the identification of lymphomas in these databases. The aim of this study was to assess the validity of diagnosis codes in the French health insurance database to identify incident cases of lymphomas according to results of a regional cancer registry, as the gold standard.Between 2010 and 2013, incident lymphomas were identified in hospital data through 2 algorithms of selection. The results of the identification process and characteristics of incident lymphomas cases were compared with data from the Tarn Cancer Registry. Each algorithm's performance was assessed by estimating sensitivity, predictive positive value, specificity (SPE), and negative predictive value.During the period, the registry recorded 476 incident cases of lymphomas, of which 52 were Hodgkin lymphomas and 424 non-Hodgkin lymphomas. For corresponding area and period, algorithm 1 provides a number of incident cases close to the Registry, whereas algorithm 2 overestimated the number of incident cases by approximately 30%. Both algorithms were highly specific (SPE = 99.9%) but moderately sensitiv...Continue Reading

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Feb 6, 2019·Pharmacoepidemiology and Drug Safety·Nancy A BrandenburgSusan A Oliveria
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Feb 8, 2020·Fundamental & Clinical Pharmacology·Martin GauthierFabien Despas
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