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A Regression Model for Prediction of Cesarean-Associated Blood Transfusion.

Abstract：

OBJECTIVE:To develop a model to predict cesarean-associated red blood cell transfusion. STUDY DESIGN:Secondary analysis of all cesarean deliveries in the Maternal-Fetal Medicine Units Network Cesarean Registry. Using a split-sample technique, the derivation group was used to identify associated factors and build predictive models, and the validation group was used to estimate classification errors and determine test characteristics. Using factors available at the time of cesarean, we developed a multivariable logistic regression prediction model. RESULTS:A total of 59,468 women were split evenly and randomly into the derivation and validation groups. The overall rate of transfusion was 2.7%. The area under the receiver operating characteristic curve for the derivation and validation groups were 0.82 (95% confidence interval [CI]: 0.80-0.84) and 0.84 (95% CI: 0.82-0.85), respectively (p = 0.16). The strongest predictors of transfusion were placenta previa (odds ratio [OR]: 7.06, 95% CI: 5.19-9.61) and eclampsia/Hemolysis Elevated Liver Enzymes Low Platelets syndrome (OR: 5.67, 95% CI: 3.77-8.51). In the validation group, the model had a sensitivity, specificity, positive, and negative predictive values of 55.8, 91.5, 16.2, and 98.6%, respectively. Overall, 90.5% of patients were correctly classified. CONCLUSION:A regression model incorporating variables available at the time of cesarean accurately predicts the need for intra- or postoperative transfusion.

journal_name

Am J Perinatol

journal_title

American journal of perinatology

authors

Albright CM,Spillane TE,Hughes BL,Rouse DJ

doi

10.1055/s-0039-1678604

subject

Has Abstract

pub_date

2019-07-01 00:00:00

pages

879-885

issue

9

eissn

0735-1631

issn

1098-8785

journal_volume

36

pub_type

杂志文章

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