Journal
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY
Volume 193, Issue 2, Pages 429-436Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.ajog.2004.12.014
Keywords
uterine artery Doppler; maternal factors; preeclampsia
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Objective: The purpose of this study was to develop a predictive model for preeclampsia. Study design: This was a prospective screening study for preeclampsia using uterine artery Doppler ultrasound in unselected low-risk singleton pregnancies at community hospitals in the UK (n = 32,157). Logistic regression models were developed and their predictive ability assessed using the area under the receiver operator carve (AROC). Results: Six hundred twelve (2.0%) women developed preeclampsia, and 144 (0.5%) required early delivery (< 34 weeks). A model using both maternal and ultrasound factors had an AROC of 0.798, which was higher than ultrasound alone (0.729, P <.0001) or maternal factors alone (0.712, P <.0001). In early onset disease, the ROC of ultrasound alone (0.922) was not significantly improved by adding maternal predictors (0.945, P =.27). In contrast, late onset disease was better predicted by the combined model (AROC 0.798) than ultrasound alone (AROC 0.729, P <.0001) or maternal factors alone (AROC 0.712, P <.0001). Conclusion: The combination of uterine artery Doppler ultrasound and maternal factors provided the best estimate of risk. (c) 2005 Elsevier Inc. All rights reserved.
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