Document Detail


Recommendations for the design of epidemiologic studies of endometriosis.
MedLine Citation:
PMID:  11055625     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This paper proposes a standard definition of endometriotic disease for epidemiologic studies and suggests subject-selection strategies to increase the validity of clinic- or population-based studies of the disease. Although endometriosis can be defined simply as the presence of ectopic endometrial tissue, emerging evidence indicates that to be pathologic, such tissue must persist and progress. The proposed disease definition incorporates the concepts of persistence and progression, and its use may increase the likelihood of observing true associations in etiologic studies. Potential threats to validity of substantial magnitude exist in both clinic- and population-based epidemiologic studies of endometriosis. In clinic-based studies, control subjects (infertility clinic patients, women delivering infants, or women undergoing tubal ligation) often are not representative of the population from which the cases arose, and bias can be considerable for behavioral and hormone-related exposures. In population-based studies, substantial case underascertainment may exist, and diagnosed cases may be a biased sample of all potential cases in the population. Although neither the ideal design nor the ideal case and control groups are likely to be achievable in epidemiologic studies of endometriosis, the subject-selection strategies suggested may improve the validity of studies that are obliged to depart from the ideal.
Authors:
V L Holt; N S Weiss
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.; Review    
Journal Detail:
Title:  Epidemiology (Cambridge, Mass.)     Volume:  11     ISSN:  1044-3983     ISO Abbreviation:  Epidemiology     Publication Date:  2000 Nov 
Date Detail:
Created Date:  2001-02-08     Completed Date:  2001-02-08     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  9009644     Medline TA:  Epidemiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  654-9     Citation Subset:  IM    
Affiliation:
Department of Epidemiology, School of Public Health and Community Medicine, University of Washington, Seattle 98195-8080, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Bias (Epidemiology)*
Case-Control Studies
Endometriosis / epidemiology*,  pathology
Female
Humans
Middle Aged
Population Surveillance / methods*
Reproducibility of Results
Research Design*
Grant Support
ID/Acronym/Agency:
R01 HD37792/HD/NICHD NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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