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Table 3 Incidences of GDM by screening and diagnostic criteria of IADPSG

From: Association between the cut-off value of the first trimester fasting plasma glucose level and gestational diabetes mellitus: a retrospective study from southern China

Screening and Diagnostic criteria

Overall (N = 28,030)

Non-GDM (N = 23,361)

GDM (N = 4669)

OGTT at 24–28 gestational weeks

0 h OGTT, mmol/L

  FPG < 5.1, mmol/L, n (%)

27,037 (96.46)

23,361(100.00)

3676(78.73)

  FPG >  = 5.1, mmol/L, n (%)

993 (3.54)

0(0.00)

993(21.27)

1 h OGTT, mmol/L

 1 h OGTT < 10, mmol/L, n (%)

26,245 (93.63)

23,361(100.00)

2884(61.77)

 1 h OGTT >  = 10.0, mmol/L, n (%)

1785 (6.37)

0(0.00)

1785(38.23)

2 h OGTT, mmol/L

 2 h OGTT < 8.5, mmol/L, n (%)

25,724 (91.77)

23,361(100.00)

2363(50.61)

 2 h OGTT >  = 8.5, mmol/L, n (%)

2306 (8.23)

0(0.00)

2306(49.39)

First trimester FPG, mmol/L

 First trimester FPG < 4.735, mmol/L, n (%)

18,174(64.84)

15,793(67.60)

2381(51.00)

 First trimester FPG >  = 4.735, mmol/L, n (%)

9856(35.16)

7568(32.40)

2288(49.00)