Table 1 Definitions of pediatric metabolic syndrome

Cook et al.³⁴

WC ⩾90th percentile³⁷

SBP or DBP ⩾90th percentile²⁸

Triglycerides ⩾1.24 mmol l⁻¹ (110 mg dl⁻¹) or HDL cholesterol ⩽1.03 mmol l⁻¹ (40 mg dl⁻¹)

Impaired fasting glucose ⩾6.11 mmol l⁻¹ (110 mg dl⁻¹)

Viner et al.³⁵

BMI ⩾95th percentile³⁸

SBP ⩾95th percentile²⁸

Triglycerides ⩾1.69 mmol l⁻¹ (150 mg dl⁻¹) or HDL cholesterol <0.91 mmol l⁻¹ (35 mg dl⁻¹) or high total cholesterol ⩾95th percentile³⁹

Hyperinsulinaemia ⩾104.2 pmol l⁻¹ (15 mU l⁻¹) or impaired fasting glucose ⩾6.11 mmol l⁻¹ (110 mg dl⁻¹)

IDF³⁶

WC ⩾90th percentile³⁷

SBP ⩾17.3 kPa (130 mm Hg) or DBP ⩾11.3 kPa (85 mm Hg)

Triglycerides ⩾1.69 mmol l⁻¹ (150 mg dl⁻¹) or HDL cholesterol <1.03 mmol l⁻¹ (40 mg dl⁻¹)

Impaired fasting glucose ⩾5.55 mmol l⁻¹ (100 mg dl⁻¹)

IDEFICS¹⁴-monitoring level

WC ⩾90th percentile¹⁶

SBP ⩾90th percentile¹⁷ or DBP ⩾90th percentile¹⁷

Triglycerides ⩾90th percentile¹⁸ or HDL cholesterol ⩽10th percentile¹⁸

HOMA-insulin resistance ⩾90th percentile¹⁹ or fasting glucose ⩾90th percentile^19a