Fig. 2From: Circulating angiogenic factors and HIV among pregnant women in Zambia: a nested case–control studyConcentrations of A) sEng B) PlGF and C) sFLT-1 in 57 controls and 57 cases, analyzed using Luminex assays. The threshold for statistical significance was set to p < 0.05, as calculated using Wilcoxon rank-sumBack to article page