Fig. 2

Boxplot of relative skeletal age (SA) according to body mass index (BMI) group in malesĀ (a) and females (b). Greater relative SA indicates earlier maturation. Boxplot shows the median and interquartile ranges; whiskers indicate the range of 95% confidence interval (CI). The difference in significance among groups was examined by one-way analysis of variance (ANOVA) and least significant difference (LSD) post hoc test