Skip to main content

Table 6 Predictive performance of selected median cut-off points of CC, OFC, summation and ratio as surrogate indices for birth weight <2000 g

From: Chest and occipito-frontal circumference measurements in the detection of low birth weight among Nigerian newborns of Igbo ethnicity

Cut-off point (cm)

Sensitivity

Specificity

PPV

NPV

29.6 (CC)

0.917

0.920

0.653

0.985

32.8 (OFC)

0.917

0.919

0.647

0.985

63.7 (CC + OFC)

0.917

0.918

0.647

0.985

0.91 (CC/OFC)

0.750

0.895

0.540

0.956

  1. PPV = positive predictive, NPV = negative predictive value.