%0 Journal Article %T Ponderal index classifies obesity in children and adolescents more accurately than body mass index z-scores %J - %D 2019 %R https://doi.org/10.1038/s41390-019-0395-7 %X We aimed to compare the accuracy of the ponderal index (PI) vs. BMI-for-age z-scores transformed (BMIz) in estimating body fat levels and classifying obesity in children and adolescents from a Brazilian urban population %U https://www.nature.com/articles/s41390-019-0395-7