Images of the 2000 CDC and 2022 CDC Extended BMI-for-Age Growth Charts images can be downloaded at H ow were the 2022 CDC Extended BMI-for-Age Growth Charts created?ĬDC explored different options for monitoring children with very high BMIs. Tables, computer programs, and instructions for calculating percentiles and z-scores are available at to help with EHR integration. The color shading in the 2022 CDC Extended BMI-for-Age Growth Charts provides a printable visual aid for clinicians when discussing very high BMI, and needed care, with families. Though these charts filled an important data and clinical gap, the 2022 CDC Extended BMI-for-Age Growth Charts can add to or replace the severe obesity growth charts currently used in clinical care and displayed in electronic health records (EHRs) to become the default percentiles and z-scores reported for children with BMIs above the 97th percentile. Severe obesity growth charts previously published by others were based on a measure called percent of the 95th percentile-a statistical calculation-and not on actual growth data of children with very high BMIs. Learn more about CDC-Recognized Family Healthy Weight Programs which are ready-to-use, evidence-based child obesity programs. The new growth charts coupled with high-quality treatment help optimize care for children with severe obesity. Growth charts for children and adolescents without obesity, and their recommended use, have not changed. The 2022 CDC Extended BMI-for-Age Growth Charts can help providers track growth and optimize care for children and adolescents with very high BMIs (above the 97th percentile). Because of this, CDC expanded the growth charts using more recent data and methods, and added new percentile curves to the growth charts for tracking children and adolescents with very high BMIs. The 2000 CDC BMI-for-Age Growth Charts have a maximum plottable BMI of 37 kg/m 2 and no percentile lines above the 95th percentile, which makes them less useful as a visual growth tracking tool for children with severe obesity. The 2000 CDC BMI-for-Age Growth Charts are based on reference data from 1963 to 1980, a period when the prevalence of obesity was lower than today and when growth data for children with severe obesity were sparse. Among children aged 2–19 years, the prevalence of severe obesity has increased from 1% in 1971–74 to 6.1% in 2017–18. Severe obesity is defined as BMI at or above 120% of the 95th percentile for sex and age, or BMI at or above 35 kg/m 2. Childhood obesity is a serious problem in the United States, putting children and adolescents at risk for poor health outcomes during childhood, adolescence, and adulthood.
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