Ultrasonographic estimation of fetal weight: development of new model and assessment of performance of previous models
Ultrasonographic estimation of fetal weight: development of new model and assessment of performance of previous models
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DOI：
10.1002/uog.19066
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发表时间：
2018-07-01
影响因子：
7.1
通讯作者：
Nicolaides, K. H.
中科院分区：
文献类型：
--
作者：
Hammami, A.;Zumaeta, A. Mazer;Nicolaides, K. H.
目的开发一种新的公式超声估计胎儿体重和评估的准确性，这和所有以前的公式在预测birth weight.Methods的研究人口包括5163单胎妊娠胎儿生物统计学在22-43周的妊娠和活产的表型正常的新生儿在2天内的超声检查。多变量分数多项式分析用于确定提供估计胎儿体重（EFW）的最佳拟合模型的变量组合。还对报告EFW公式并将EFW与实际出生体重进行比较的文章进行了系统综述。通过比较平均百分比误差、绝对平均误差（AE）、发生AE的妊娠比例，
Objectives To develop a new formula for ultrasonographic estimation of fetal weight and evaluate the accuracy of this and all previous formulae in the prediction of birth weight.Methods The study population consisted of 5163 singleton pregnancies with fetal biometry at 22-43 weeks' gestation and live birth of a phenotypically normal neonate within 2 days of the ultrasound examination. Multivariable fractional polynomial analysis was used to determine the combination of variables that provided the best-fitting models for estimated fetal weight (EFW). A systematic review was also carried out of articles reporting formulae for EFW and comparing EFW to actual birth weight. The accuracy of each model for EFW was assessed by comparing mean percentage error, absolute mean error (AE), proportion of pregnancies with AE