Type 2 diabetes after gestational diabetes: The influence of changing diagnostic criteria

Table 1 Comparison of thresholds for criteria for gestational diabetes diagnosis

Criteria	Glucose load	Fasting glucose mmol/L	1-h glucose mmol/L	2-h glucose mmol/L	3-h glucose mmol/L	No. of criteria
		(mg/dL)	(mg/dL)	(mg/dL)	(mg/dL)	required
O’Sullivan et al[4]	100 g	5 (90)	9.2 (165)	8.1 (145)	6.9 (125)	≥ 2
NDDG	100 g	5.8 (105)	10.6 (190)	9.2 (165)	8.1 (145)	≥ 2
WHO 1980	75 g	8 (144)	N/A	8 (144)	N/A	≥ 1
Carpenter and Coustan	100 g	5.3 (95)	10 (180)	8.6 (155)	7.8 (140)	≥ 2
ADA	75 g or 100 g	5.3 (95)	10 (180)	8.6 (155)	7.8 (140)	≥ 2
WHO 1985	75 g	7.8 (140)	N/A	7.8 (140)	N/A	≥ 1
EASD	75 g	6 (108)	N/A	9 (162)	N/A	≥ 1
WHO 1999	75 g	7 (126)	N/A	7.8 (140)	N/A	≥ 1
IADPSG GDM	75 g	5.1 (92)	10 (180)	8.5 (153)	N/A	≥ 1
IADPSG overt diabetes	aNone/75 g	7 (126)	N/A	11.1 (200)	N/A	≥ 1

^aThis diagnosis can also be made on a random glucose sample, a fasting glucose sample, or on an HbA1c value [if 6.5% (48 mmol/mol or over)]. NDDG: National Diabetes Data Group; WHO: World Health Organisation; EASD: European Association for the Study of Diabetes; ADA: American Diabetes Association; IADPSG: International Association of Diabetes and Pregnancy Study Groups; GDM: Gestational diabetes; N/A: Not applicable.