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Table 2 aUCB and DAT + ve jaundice

From: Umbilical cord bilirubin as a predictor of neonatal jaundice: a retrospective cohort study

aUCB (μmol/l) All subjects Only O + ve/O-ve Mothers
Sens (%) Spec (%) PPV (%) NPV (%) LR+ LR- Sens (%) Spec (%) PPV (%) NPV (%) LR+ LR-
>20 100 58.8 1.4 100 2.4 0.00 100 55.1 3.1 100 2.2 0.00
>25 100 75.4 2.3 100 4.1 0.00 100 71.9 4.9 100 3.6 0.00
>30 100 87.5 4.4 100 8.0 0.00 100 85.1 8.9 100 6.7 0.00
>35 100 93.7 8.2 100 15.8 0.00 100 92.8 16.7 100 13.8 0.00
>40 100 97.3 17.4 100 36.9 0.00 100 96.6 29.6 100 29.1 0.00
>45 100 98.6 28.6 100 70.2 0.00 100 98.2 44.4 100 55.2 0.00
>50 62.5 99.2 31.3 99.8 79.7 0.38 62.5 98.7 41.7 99.5 49.3 0.30
  1. Sens sensitivity, spec specificity, PPV positive predictive value, NPV negative predictive value, LR+ positive likelihood ratio, LR- negative likelihood ratio