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Table3 PreBMI, AC and ACHtR as predictors for gestational diabetes mellitus

From: Prediction of gestational diabetes mellitus by different obesity indices

 

cut-off point

sensitivity

specificity

Youden index

PreBMI

22.7

48.4%

71.8%

0.202

AC(cm)

80.3

61.6%

57.9%

0.195

ACHtR

0.49

67.3%

54.0%

0.213

  1. PreBMI Prepregnancy body mass index, AC Abdominal circumference, ACHtR Abdominal circumference/height ratio
  2. Youden index formula is defined as J = sensitivity + specificity -1