Table 2.

Diagnostic Criteria for Metabolic Syndrome

Risk factor/trait	ATP III criteria Any 3 out of the 5 risk factors	IDF criteria Abnormal waist+2 risk factors	WHO criteria IFG or IGT+2 risk factors
Waist circumference	≥40 in (102 cm) in males ≥35 in (85 cm) in females	Region specific, e.g., ≥90 cm in males and ≥80 cm in females among south Asians.	BMI >30 Waist/hip >0.90 men and >0.85 women
Fasting triglycerides	≥150 mg/dL (>1.7 mmol/L)	≥150 mg/dL (>1.7 mmol/L)	≥150 mg/dL (>1.7 mmol/L)
HDL-C	<40 mg/dL in males (<1.04 mmol/L); <50 mg/dL in females (<1.29 mmol/L)	<40 mg/dL in males (<1.04 mmol/L); <50 mg/dL in females (<1.29 mmol/L)	<35 mg/dL in males (<0.9 mmol/L); <39 mg/dl in females (<1.0 mmol/L)
Blood pressure	Systolic ≥130 and/or Diastolic ≥85 mmHg and/or use of medication for hypertension	Systolic ≥130 and/or diastolic ≥85 mmHg and/or use of medication for hypertension	Systolic ≥140 and/or Diastolic ≥90 mmHg and/or use of medication for hypertension
Fasting glucose	≥100 mg/dL (5.6 mmol/L) and/or use of medication for hyperglycemia	≥100 mg/dL (5.6 mmol/L) and/or use of medication for hyperglycemia	IFG: fasting ≥100 mg/dL (5.6 mmol/L) and/or IGT: 2-h 140–199 mg/dL (7.8–11.0 mmol/L)
Microalbuminuria			≥20 μg/min ≥30 mg/g creatinine

ATP III, Adult Treatment Panel III; IDF, International Diabetes Federation; WHO, World Health Organization; IFG, impaired fasting glucose; IGT, impaired glucose tolerance; BMI, body mass index; HDL-C, high-density lipoprotein cholesterol.