Demographics and clinical characteristics of all subjects by obese and control groups and boys and girls separately.

BMI, body mass index; FPG, fasting plasma glucose; HOMA-IR, homeostasis model assessment of insulin resistance; HDL-C, high density lipoprotein cholesterol; LDL-C, low density lipoprotein cholesterol; TC, total cholesterol; TG, triglycerides. Continuous data are summarized as mean±SD and categorical data as n (%); differences between the groups were compared using two-sample t-test for continuous data, Pearson Chi-square test for sex, and Mann-Whitney U test for Tanner stage. *indicates significant difference between groups. (P<0.05).