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 |