Fig. 1From: BMI-for-age graphs with severe obesity percentile curves: tools for plotting cross-sectional and longitudinal youth BMI dataBMI-for-age graphs showing cross-sectional BMI data for 3900 females (a) and 4000 males (b). Graph A was generated using SAS; graph B was generated using R. Each symbol represents the BMI value of a single child or adolescent. Data were drawn from published [6, 19, 20] and unpublished studiesBack to article page