Table 1.

Diagnostic criteria used for metabolic syndrome by four metabolic syndrome definitions

Clinical measure	WHO (1998)	NCEP-ATP III (2004)	IDF (2005)	JIS (2009)
Criteria needed for definition	insulin resistance + at least two further criteria needed	At least three of the following	Central obesity (WC) + at least two of the following	At least three of the following
Central obesity	M: WHR > 0.90 F: WHR > 0.85 and/or BMI > 30 kg/m2	M: WC ≥ 102 cm F: WC ≥ 88 cm	Increased WC (population specific) Europids: M: ≥ 94 cm F: ≥ 80 cm	Increased WC (population and country specific) Europids: M: ≥ 94 cm F: ≥ 80 cm
Lipid metabolism	TG ≥ 150 mg/dl (1.7 mmol/l) and/ or M: HDL-C < 35 mg/dl (0.9 mmol/l) F: HDL-C < 39 mg/dl (1.0 mmol/l)	TG ≥ 150 mg/dl (1.7 mmol/l)	TG ≥ 150 mg/dl (1.7 mmol/l)	TG ≥ 150 mg/dl (1.7 mmol/l)
		M: HDL-C < 40 mg/dl (1.03 mmol/l) F: HDL-C < 50 mg/dl (1.3 mmol/l)	M: HDL-C < 40 mg/dl (1.03 mmol/l) F: HDL-C < 50 mg/dl (1.3 mmol/l)	M: HDL-C < 40 mg/dl (1.03 mmol/l) F: HDL-C < 50 mg/dl (1.3 mmol/l)
Blood pressure (mmHg)	≥140/90 or medication	≥130/85	≥130/85 or medication	≥130/85 or medication
Glucose metabolism/insulin resistance	FPG ≥ 110 mg/dl (6.1 mmol/l) (indicating IFG) or T2DM diagnosis	FPG >100 mg/dl (5.6 mmol/l) or medication	FPG ≥ 100 mg/dl (5.6 mmol/l) or T2DM diagnosis	FPG ≥ 100 mg/dl (5.6 mmol/l) or medication

WHO= World Health Organization, NCEP-ATP III = National Cholesterol Education Program Adult Treatment Panel III, IDF= International Diabetes Federation, JIS= Joint Interim Statement, M= male, F= female, IFG=impaired fasting glucose, FPG= fasting plasma glucose, T2DM= type 2 diabetes mellitus, WC= waist circumference, WHR= waist to hip ratio, BMI= body mass index, TG= triglycerides, HDL-C= high-density lipoprotein cholesterol