PGF and preeclampsia: Median sFlt-1/PlGF ratio values were higher in women who developed preeclampsia than in those who did not develop preeclampsia (Fig. 2A after 1 week (212.4 vs. 6.8; p < 0.001), 4 weeks (157.7 vs. 6.4; p < 0.001) and overall (88.8 vs. 6.4; p < 0.001).