HKOS Paediatric Consensus Statements

HKOS Paediatric Consensus Statement
Voting Round: 2 

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Text to feature in the introductory section of the manuscript:

• The definition of obesity in children is controversial as the level of excess adiposity that leads to increased risk of poor health is not well defined as in adults; terminology and measures used in studies of weight and adiposity in children can be complex.
• BMI-for-age instead of weight-for-height is used to assess overweight and obesity which is consistent with growth assessment in many countries.
• Further studies are required to determine whether overseas guidelines on growth faltering are applicable to the HK population.

Statement 1: BMI-for-age is recommended to assess overweight and obesity in children. However, there is a lack of evidence to define excess adiposity in children 0–2 years. As a practical approach, we recommend using the HKGS 2020 and WHO 2006 standards as guidance points for additional monitoring/investigation.

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Statement 2: For children 2─18 years, we suggest using the new BMI-for-age centile chart from the HKGS 2020 to define overweight as between 91st and 98th centile, and obesity over 98th centile (2.01 SD) or BMI ≥27.5 kg/m2 (the recommended action point for adults), whichever is lower.

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Statement 3: As adjuncts to BMI, we suggest using additional anthropometrics when evaluating adiposity-related disease risk for children.

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