PGF and preeclampsia: The resulting odds ratios showed that the risk of subsequent preeclampsia development was elevated in women with levels higher than the cutoff value compared with women whose values were less than the cutoff value with odds ratio (95% CI) 37.2 [7.7–78.1] for sFlt-1 and 67 [29.3–162.1] for the sFlt-1/PlGF ratio.