CXCL12 and Insulin resistance: Data are presented as mean ± SD.* p < 0.05 compared with Children without Obesity.BMI, body mass index; WHR, waist-to-hip ratio; SBP, systolic blood pressure; DBP, diastolic blood pressure; GT, glutyltranspeptidase; TC, total cholesterol; TG, triglycerides; HDL, high-density lipoprotein; LDL, low-density lipoprotein; FPG, fasting plasma glucose; HOMA-IR, homeostasis model of insulin resistance; SDF-1, stromal cell-derived factor-1