Cross-national health care database utilization between Spain and France: results from the EPICHRONIC study assessing the prevalence of type 2 diabetes mellitus
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Aim: the EPICHRONIC (EPIdemiology of CHRONIC diseases) project investigated the possibility of developing common procedures for French and Spanish electronic health care databases to enable large-scale pharmacoepidemiological studies on chronic diseases. A feasibility study assessed the prevalence of type 2 diabetes mellitus (T2DM) in Navarre and the Basque Country (Spain) and the Midi-Pyrénées r ... [++]
Aim: the EPICHRONIC (EPIdemiology of CHRONIC diseases) project investigated the possibility of developing common procedures for French and Spanish electronic health care databases to enable large-scale pharmacoepidemiological studies on chronic diseases. A feasibility study assessed the prevalence of type 2 diabetes mellitus (T2DM) in Navarre and the Basque Country (Spain) and the Midi-Pyrénées region (France). Patients and methods: We described and compared database structures and the availability of hospital, outpatient, and drug-dispensing data from 5.9 million inhabitants. Due to differences in database structures and recorded data, we could not develop a common procedure to estimate T2DM prevalence, but identified an algorithm specific to each database. Patients were identified using primary care diagnosis codes previously validated in Spanish databases and a combination of primary care diagnosis codes, hospital diagnosis codes, and data on exposure to oral antidiabetic drugs from the French database. Results: Spanish and French databases (the latter termed Système National d’Information Inter-Régimes de l’Assurance Maladie [SNIIRAM]) included demographic, primary care diagnoses, hospital diagnoses, and outpatient drug-dispensing data. Diagnoses were encoded using the International Classification of Primary Care (version 2) and the International Classification of Diseases, version 9 and version 10 (ICD-9 and ICD-10) in the Spanish databases, whereas the SNIIRAM contained ICD-10 codes. All data were anonymized before transferring to researchers. T2DM prevalence in the population over 20 years was estimated to be 6.6–7.0% in the Spanish regions and 6.3% in the Midi-Pyrénées region with ~2% higher estimates for males in the three regions. Conclusion: tailored procedures can be designed to estimate the prevalence of T2DM in population-based studies from Spanish and French electronic health care records. [--]
Dove Medical Press
Clinical Epidemiology (2018) 10, 863-874
Universidad Pública de Navarra. Departamento de Ciencias de la Salud / Nafarroako Unibertsitate Publikoa. Osasun Zientziak Saila
We thank the Caisse régionale d’Assurance Maladie, particularly Dr Robert Bourrel, and the Regional Health Service of Navarre, particularly Javier Baquedano and Marian Nuin, for data extraction. This study was supported by the POCTEFA Programme (REFBIO EFA 237/11), Instituto de Salud Carlos III (grant PI15/02196), Spanish thematic network REDIS-SEC (grant RD12/0001 and RD16/0001 from the Instituto de Salud Carlos III, Spanish Ministry of Health and co-financed by the European Regional Development Fund), and by the Departamento de Educación, Política Lingüística y Cultura del Gobierno Vasco (IT620-13).
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