Table 1. Definitions of the metabolic syndrome.

	Modified WHO [3]	updated NCEP-ATPIII for Asian-Americans [28]	IDF [6]	JIS [1]	CDS [7]
Required	FPG ≥6.1 mmol/L or known treatment for diabetes		Ethnic-based WC ≥90 cm in men and ≥80 cm in women for Chinese
No. of abnormalities	And ≥2 of:	≥3 of:	And ≥2 of:	≥3 of:	≥3 of:
HDL cholesterol	HDL-C <0.90 mmol/L in men or <1.03 mmol/L in women	<1.03 mmol/L in men or 1.30 mmol/L in women	<1.03 mmol/L in men or 1.30 mmol/L in women	<1.03 mmol/L in men or 1.30 mmol/L in women	<0.90 mmol/L in men or <1.03 mmol/L in women
	and/or				and/or
Triglycerides	≥1.7 mmol/L	≥1.7 mmol/L	≥1.7 mmol/L	≥1.7 mmol/L	≥1.7 mmol/L
Glucose		FPG ≥5.6 mmol/L or known treatment for diabetes	FPG ≥5.6 mmol/L or known treatment for diabetes	FPG ≥5.6 mmol/L or known treatment for diabetes	FPG ≥6.1 mmol/L or known treatment for diabetes
Obesity	WHR >0.90 in men (>0.85 in women) and/or BMI >30 kg/m2	WC ≥90 cm in men or ≥80 cm in women		Ethnic-based WC ≥85 cm in men or ≥80 cm in women for Chinese	BMI >25 kg/m2
Blood pressure	≥140/90 mmHg or use of antihypertensive drugs	≥130/85 mmHg or use of antihypertensive drugs	≥130/85 mmHg or use of antihypertensive drugs	≥130/85 mmHg or use of antihypertensive drugs	≥140/90 mmHg or use of antihypertensive drugs
Other	Urinary albumin creatinine ratio ≥30 mg/g

WHO, World Health Organization; NCEP-ATPIII, National Cholesterol Education Program Adult Treatment Panel III; IDF, International Diabetes Federation; CDS, Chinese Diabetes Society; JIS, Joint Interim Statement; WHR, waist/hip rate; BMI, body mass index; HDL-C, high density lipoprotein cholesterol; TGs, triglycerides; FPG, fasting plasma glucose; WC, waist circumference.