TPO and major depressive disorder: The levels of TSH, A-TG, A-TPO, fasting blood glucose, TC, TG, LDL-C and blood pressure in MDD patients with total positive scores ≥8 points were significantly higher than those in MDD patients, with total positive scores of 7 points, while HDL-C in MDD patients with total positive scores ≥8 points was significantly lower than that in MDD patients with total positive scores of 7 points.