Table 2 Diagnostic value of Age or preBMI for GDM.

From: MTNR1B variants increase gestational diabetes mellitus risk in young Chinese pregnant women

Marker

Cutoff value

Sensitivity

Specificity

Joden index

AUC

P

Age

30

0.616

0.606

0.222

0.646

 < 0.001

preBMI

21.6755

0.426

0.741

0.167

0.598

 < 0.001

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