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Table 4 Diagnostic performance of AC, AFM and FL measurements in prediction of fetal macrosomia

From: Ultrasound evaluation of the fetal fat tissue, heart, liver and umbilical cord measurements in pregnancies complicated by gestational and type 1 diabetes mellitus: potential application in the fetal birth-weight estimation and prediction of the fetal macrosomia

  FL (mm) AC (cm) AFM (mm) Full model
Threshold (p) 0.337 0.159 0.144 0.138
Cut-off value 77.5 34.97 6.99
AUC (95% CI) 0.794(0.696 –0.892) 0.850 (0.785–0.914) 0.900 (0.848–0.952) 0.923 (0.877–0.970)
Sensitivity (%) 62.5 93.8 96.9 93.8
Specificity (%) 88.4 65.2 73.2 77.7
PPV (%) 60.6 43.5 50.8 54.5
NPV (%) 89.2 97.3 98.8 97.8
  1. AC abdominal circumference, AFM abdominal fat mass, FL femur length, AUC area under the curve, CI confidence interval, PPV positive predictive value, NPV negative predictive value