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Table 5 The International Diabetes Federation (IDF) and updated National Cholesterol Education Panel (NCEP) definitions of metabolic syndrome.

From: The Reversal Intervention for Metabolic Syndrome (TRIMS) study: rationale, design, and baseline data

NCEP (2005)[37] IDF (2005)[6]
ESSENTIAL REQUIREMENT
Central obesity
Waist circumference
>94 cm (males)
>80 cm (females)
ANY 3 out of the following 5
+ ANY 2 out of the following 4
1) Raised fasting plasma glucose:
≥ 5.6 mmol/l*
1) Raised fasting plasma glucose:
≥ 5.6 mmol/l
2) Raised triglycerides:**
≥ 1.7 mmol/l
and/or
3) Low HDL cholesterol:**
< 1.03 (males)
< 1.29 (females)
2) Raised triglycerides:
≥ 1.7 mmol/l
(or specific treatment for)
and/or
3) Reduced HDL cholesterol
< 1.03 (males)
< 1.29 (females),
(or specific treatment for)
4) Hypertension:**
Blood pressure ≥ 130/85 mmHg
4) Raised blood pressure:
Blood pressure ≥ 130/85 mmHg
(or treatment for previously
diagnosed hypertension)
5) Central obesity:
Waist circumference
> 102 cm (males)
> 88 cm (females)
 
Updated from the original NCEP 2001 definition [5]:
*previous fasting plasma glucose value (≥6.1 mmol/l) was updated to include a lower value;
** was updated to include drug treatment .
Waist circumference ethnic-specific for Europid men & women; Waist circumference for South Asians (Chinese, Malay, & Asian Indian): ≥90 cm (males), & ≥80 cm (females).