TNF and Insulin resistance: BMI, body mass index; DBP, diastolic blood pressure; FPG, fasting plasma glucose; HbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein cholesterol; HOMA-IR, homeostasis model assessment of insulin resistance; HOMA-B, homeostasis model assessment of β-cell function; IGF-1, insulin-like growth factor 1; LDL-C, low-density lipoprotein cholesterol; SBP, systolic blood pressure; SD, TC, total cholesterol; TNF-α, tumor necrosis factor-alpha; VLDL-C, Very-low-density lipoprotein cholesterol; IQR, interquartile range