Fig. 3

Box plots of the multiples of the median value of UtA-PI (left), MAP (middle), and PlGF (right) between the outcome groups. The closed box indicates preterm PE group; the hatched box indicates term PE group; the clear box indicates no PE group. MAP mean arterial pressure, PE preeclampsia, PIGF maternal serum placental growth factor, UtA-PI uterine artery pulsatility index