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Table 4 Diagnostic performance, sensitivity and false positive rate of neonatal morbidity in neonates with birthweight below different centile thresholds using different charts in comparison with the “Birth in Brazil” chart

From: Performances of birthweight charts to predict adverse perinatal outcomes related to SGA in a cohort of nulliparas

Charts Centile thresholds Number of events Rate (%) Sensitivity (95%CI) FPR AUC
Birth in Brazil  
5th 3 6.0 8.57 4.89 0.518
10th 4 4.0 11.43 9.98 0.507
15th 5 3.0 14.29 15.07 0.496
20th 6 3.0 17.14 20.06 0.485
GROW-Customised  
5th 2 3.9 5.71 5.09 0.503
10th 3 3.0 8.57 10.08 0.492
15th 4 2.7 11.43 15.18 0.481
20th 6 3.0 17.14 20.17 0.485
Intergrowth-21st  
5th 2 3.9 5.71 5.09 0.503
10th 4 3.9 11.43 10.19 0.506
15th 5 3.3 14.29 15.07 0.496
20th 6 3.0 17.14 20.17 0.485
WHO-FGC  
5th 2 3.9 5.71 5.09 0.503
10th 5 5.0 14.29 9.88 0.522
15th 5 3.3 14.29 15.18 0.496
20th 6 3.0 17.14 20.27 0.484
  1. Abbreviations: AUC Area under ROC curve, FPR False positive rate, WHO World Health Organization, FGC Fetal Growth Charts