BMI-based obesity classification misses children and adolescents with raised cardiometabolic risk due to increased adiposity.

"Declarations Competing interestsThe authors declare that they have no competing interests. Ethics approval and consent to participateThe study was approved by the Universidad de Navarra’s Research Ethics Committee (2020.236). Consent for publicationNot applicable. Competing interests The authors declare that they have no competing interests."

"Funding This study was funded by Plan Estatal I + D + I from the Spanish Instituto de Salud Carlos III–Subdirección General de Evaluación y Fomento de la Investigación–FEDER (grants number PI20/00080, PI20/00927 and PI22/00745) and CIBEROBN, ISCIII, Spain; Dpt. of Health 58/2021, Gobierno de Navarra-FEDER, Spain; and Dpt. of University, Innovation and Digital Transformation PC098-099 MEPERTROBE, Gobierno de Navarra, Spain. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript."