Journal article
Spina bifida subtypes and sub-phenotypes by maternal race/ethnicity in the National Birth Defects Prevention Study
American Journal of Medical Genetics Part A, Vol.158A(1), pp.109-115
01/2012
DOI: 10.1002/ajmg.a.34383
PMID: 22140002
Abstract
Spina bifida refers to a collection of neural tube defects, including myelomeningocele, meningocele, and myelocele (SBM), as well as lipomyelomeningocele and lipomeningocele (SBL). Maternal race/ethnicity has been associated with an increased risk for spina bifida among offspring. To better understand this relationship, we evaluated different spina bifida subtypes (SBM vs. SBL) and sub-phenotypes (anatomic level or presence of additional malformations) by maternal race/ethnicity using data from the National Birth Defects Prevention Study. This study is a large, multisite, population-based study of nonsyndromic birth defects. Prevalence estimates were obtained using data from spina bifida cases (live births, fetal deaths, and elective terminations) and total live births in the study regions. From October 1997 through December 2005, 1,046 infants/fetuses with spina bifida were delivered, yielding a prevalence of 3.06 per 10,000 live births. Differences in the prevalences of SBM vs. SBL, isolated versus non-isolated SBM, and lesion level in isolated SBM among case offspring were observed by maternal race/ethnicity. Compared to non-Hispanic (NH) White mothers, offspring of Hispanic mothers had higher prevalences of each subtype and most sub-phenotypes, while offspring of NH Black mothers generally had lower prevalences. Furthermore, differences in race/ethnicity among those with isolated SBM were more pronounced by sex. For instance, among male offspring, the prevalence of isolated SBM was significantly higher for those with Hispanic mothers compared to NH White mothers [prevalence ratio (PR): 1.55, 95% confidence interval: 1.23-1.95]. These findings provide evidence that certain spina bifida subtypes and sub-phenotypes may be etiologically distinct. © 2011 Wiley Periodicals, Inc.
Details
- Title: Subtitle
- Spina bifida subtypes and sub-phenotypes by maternal race/ethnicity in the National Birth Defects Prevention Study
- Creators
- A.J Agopian - Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston, TexasMark A Canfield - Birth Defects Epidemiology and Surveillance Branch, Texas Department of State Health Services, Austin, TexasRichard S Olney - National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, GeorgiaPhilip J Lupo - Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston, TexasTunu Ramadhani - Birth Defects Epidemiology and Surveillance Branch, Texas Department of State Health Services, Austin, TexasLaura E Mitchell - Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston, TexasGary M Shaw - Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, CaliforniaCynthia A Moore - National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, GeorgiaNational Birth Defects Prevention Study
- Resource Type
- Journal article
- Publication Details
- American Journal of Medical Genetics Part A, Vol.158A(1), pp.109-115
- Publisher
- Wiley Subscription Services, Inc., A Wiley Company
- DOI
- 10.1002/ajmg.a.34383
- PMID
- 22140002
- ISSN
- 1552-4825
- eISSN
- 1096-8628
- Number of pages
- 7
- Language
- English
- Date published
- 01/2012
- Academic Unit
- Epidemiology
- Record Identifier
- 9984214856302771
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