Prevalentie van schisis in Nederland en Noord-Nederland in 1997-2007:Trendanalyse van gegevens uit drie Nederlandse registraties ; The prevalence of cleft in the Netherlands and Northern Netherlands in 1997-2007:Trend analysis of data from three Dutch registries

Objective. To investigate the prevalence of oral cleft live births in the Netherlands, we analyzed time-trends in the Netherlands and Northern Netherlands (NNL) over the period 1997-2007 and stratified these trends by cleft category (cleft lip/alveolus ± cleft palate: CL±P; cleft palate only: CP). Methods. Patients born alive with oral clefts in the Netherlands during 1997-2007 were included from three Dutch registries on congenital anomalies/oral clefts. The estimated annual percentage change (EAPC) in prevalence was calculated using Poisson regression. Results. The overall prevalence of oral... Mehr ...