Intrapartum cesarean delivery in nulliparas: risk factors compared by two analytical approaches

To determine risk factors for cesarean delivery in nulliparas at labor admission. Nulliparas with live-born, singleton gestations ⩾37 weeks in spontaneous or induced labor were analyzed from the Consortium on Safe Labor database in a retrospective observational study. Classification and regression t...

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Bibliographic Details
Published in:Journal of perinatology 2015-03, Vol.35 (3), p.167-172
Main Authors: Kominiarek, M A, VanVeldhuisen, P, Gregory, K, Fridman, M, Kim, H, Hibbard, J U
Format: Article
Language:English
Subjects:
Adult
Body mass
Body Mass Index
Body size
Care and treatment
Cesarean section
Cesarean Section - statistics & numerical data
Confidence intervals
Consortia
Delivery, Obstetric - methods
Dilation
Female
Forecasts and trends
Gestational Age
Health risk assessment
Humans
Labor
Labor, Induced
Labor, Obstetric
Logistic Models
Multivariate Analysis
Odds Ratio
Parity
Physiological aspects
Pregnancy
Pregnant women
Regression analysis
Retrospective Studies
Risk analysis
Risk Factors
Statistical analysis
Young Adult
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Summary:To determine risk factors for cesarean delivery in nulliparas at labor admission. Nulliparas with live-born, singleton gestations ⩾37 weeks in spontaneous or induced labor were analyzed from the Consortium on Safe Labor database in a retrospective observational study. Classification and regression tree (CART) and multivariate logistic regression analysis determined risk factors for cesarean delivery. Of the 66 539 nulliparas, 22% had a cesarean delivery. In the CART analysis, the first cervical dilation exam was the first branch followed by body mass index (BMI). Cesarean deliveries occurred in 45%, 25%, 14% and 10% of deliveries at
ISSN:0743-8346
1476-5543
1476-5543
DOI:10.1038/jp.2014.179