Rhinosinusitis in morbidity registrations in Dutch General Practice: A retro-spective case-control study Epidemiology and research methodology in primary care

Background: There is only limited accurate data on the epidemiology of rhinosinusitis in primary care. This study was conducted to assess the incidence of acute and chronic rhinosinusitis by analysing data from two Dutch general practice registration projects. Several patient characteristics and diseases are related to the diagnosis rhinosinusitis. Methods: The Continuous Morbidity Registration (CMR) and the Transitionproject (TP) are used to analyse the data on rhinosinusitis in primary practice. Both registries use codes to register diagnoses. Results: In the CMR 3244 patients are registered... Mehr ...