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Table 2 Individual and pooled PPVs and NPVs of oxidative stress markers for preeclampsia

From: The diagnostic potential of oxidative stress biomarkers for preeclampsia: systematic review and meta-analysis

Study TP FP FN TN PPV NPV
IMA
 Ustun et al. [13] 28 4 8 14 0.875 0.636
 Vykaranam et al. [14] 17 5 2 14 0.773 0.875
 Bambrana et al. [6] 50 5 7 52 0.909 0.881
 Pooled data 0.852 0.811
MDA
 Rani et al. [22] 26 4 4 26 0.867 0.867
 Bambrana et al. [6] 48 18 9 39 0.727 0.813
 Shaker et al. [23] 19 13 6 12 0.594 0.667
 Pooled data 0.728 0.802
UA
 Nikolic et al. [3] 26 13 6 47 0.667 0.887
 Bambrana et al. [6] 41 6 16 51 0.872 0.761
 Vykaranam et al. [15] 26 5 4 26 0.839 0.867
 Pooled data 0.795 0.833