Jennifer Marshall, Jason L Salemi, Jean Paul Tanner, Rema Ramakrishnan, Marcia L Feldkamp, Lisa K Marengo, Robert E Meyer, Charlotte M Druschel, Russel Rickard, Russell S Kirby
OBJECTIVE: To examine the trends in the prevalence, epidemiologic correlates, and 1-year survival of omphalocele using 1995-2005 data from the National Birth Defects Prevention Network in the United States. METHODS: We examined 2,308 cases of omphalocele over 11 years from 12 state population-based birth defects registries. We used Poisson regression to estimate prevalence and risk factors for omphalocele and Kaplan-Meier survival curves and Cox proportional hazards regression to estimate survival patterns and hazard ratios, respectively, to examine isolated compared with nonisolated cases...
August 2015: Obstetrics and Gynecology