Fig. 3From: Gestational week-specific of uterine artery Doppler indices in predicting preeclampsia: a hospital-based retrospective cohort studyReceiver operating characteristic curve of uterine artery indices in predicting preeclampsia developed within 9 weeks after the Doppler scan. P < 0.001 for the difference compared with a the right PI or b the right RI. CI: confidence interval; PI: pulsatility index; RI resistance indexBack to article page