期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
卷 176, 期 9, 页码 1910-1916出版社
WILEY
DOI: 10.1002/ajmg.a.40384
关键词
Prevalence; epidemiology; congenital abnormalities; temporal trends
资金
- Centers for Disease Control and Prevention [U01DD001033]
- California Department of Public Health
IntroductionTo extend the knowledge base about possible prevalence declines of specific orofacial cleft phenotypes, here we examine prevalence in a population base from California over a two-decade period among numerous race/ethnic groups. MethodsThis population-based study used vital statistics and birth defects registry data. Its population involved all births (similar to 1.5 million births) in central California counties from 1987 to 2010. Orofacial clefts were defined as cleft lip with or without cleft palate (CLP, n=1766), and cleft palate (CP, n=922) only. The slope of prevalence of each cleft phenotype over the period 1987-2010 was estimated using weighted least squares regression. ResultsBirth prevalence of CLP was 121/100,000 live births, and 63/100,000 live births for CP. The slope for CLP decreased by 1.2 (slope: -1.2; 95% CI: -1.9, -0.5), and for CP by 0.7 (slope: -0.7; 95% CI: -1.7, 0.2) for CP. Stratification by race/ethnicity or infant sex did not demonstrate a statistical difference in slopes. ConclusionsWe observed a decline in the prevalence in CLP in all ethnic groups, however did not observe the same amount of decline in CP, perhaps due to antenatal screening.
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