| Predicting outcome after emergent cerclage using classification tree analysis. | |
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MedLine Citation:
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PMID: 18767009 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We sought to develop a predictive model for gestational age at delivery after placement of an emergent cerclage in the second trimester. Data were obtained for women undergoing emergent cerclage in response to documented cervical change on physical examination at a university hospital between 1980 and 2000. Hierarchically optimal classification tree analysis (CTA) was used to predict delivery prior to 24 weeks, between 24 and 27 6/7 weeks, or after 27 6/7 weeks. One hundred sixteen women were available for analysis. Delivery prior to 24 weeks was best predicted by presence of prolapsed membranes and gestational age at cerclage placement; delivery between 24 and 27 6/7 weeks was best predicted by parity alone; delivery of at least 28 weeks was best predicted by cervical dilation and length, presence of prolapsed membranes, and parity. When choosing a single model to predict delivery at the three different gestational age periods, the last model yielded the most accurate results. CTA can be used to construct a predictive model for outcome after emergent cerclage that may be informative for both patients and physicians. |
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Authors:
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William A Grobman; Mary Faith Terkildsen; Robert C Soltysik; Paul R Yarnold |
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Publication Detail:
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Type: Journal Article Date: 2008-09-02 |
Journal Detail:
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Title: American journal of perinatology Volume: 25 ISSN: 1098-8785 ISO Abbreviation: Am J Perinatol Publication Date: 2008 Aug |
Date Detail:
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Created Date: 2008-09-29 Completed Date: 2009-01-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8405212 Medline TA: Am J Perinatol Country: United States |
Other Details:
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Languages: eng Pagination: 443-8 Citation Subset: IM |
Affiliation:
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Department of Obstetrics and Gynecology, Feinberg Medical School, Northwestern University, Chicago, Illinois, USA. w-grobman@northwestern.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Age Factors Cerclage, Cervical / classification*, statistics & numerical data* Delivery, Obstetric / statistics & numerical data* Female Gestational Age Humans Models, Statistical Parity Predictive Value of Tests Pregnancy Pregnancy Outcome / epidemiology* Pregnancy Trimester, Second Premature Birth / epidemiology Risk Factors Ultrasonography, Prenatal Uterine Cervical Incompetence / classification*, surgery*, ultrasonography |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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