Table 2. Prevalence of undiagnosed diabetes mellitus and dysglycaemia.

UDM: undiagnosed diabetes mellitus; FPG: fasting plasm glucose; OGTT: oral glucose tolerance test; HbA1c: glycated haemoglobin.

	Diagnostic Criterion (n)	Prevalence %			p value
		Overall (95% CI)	Male (n/N)	Female (n/N)
UDM
	FPG (1,426)	4.3 (3.3–5.4)	7.6 (45/594)	2.0 (17/832)	<0.01
	OGTT (1,408)	5.6 (4.4–6.8)	8.3 (49/588)	3.8 (31/820)	<0.01
	HbA1c (1,425)	3.2 (2.3–4.1)	4.4 (26/594)	2.3 (19/831)	0.03
	OGTT and/or HbA1c (1,426)	7.4 (6.0–8.8)	10.4 (62/594)	5.2 (43/832)	<0.01
Dysglycaemia
	FPG (1,426)	48.5 (45.9–51.1)	59.3 (352/594)	40.9 (340/832)	<0.01
	OGTT (1,408)	24.9 (22.6–27.2)	31.8 (187/588)	19.9 (163/820)	<0.01
	HbA1c (1,425)	51.6 (49.0–54.2)	47.6 (283/594)	54.5 (453/831)	0.01
	OGTT and/or HbA1c (1,426)	59.7 (57.2–62.3)	58.8 (349/594)	60.3 (502/832)	0.55