Table 3.

Changes of lipid profile between preoperative period and 6 month postoperatively

	Normal → Normal	Normal → Abnormal	Abnormal → Abnormal	Abnormal → Normal*
TC	83	12	12	37
TG	72	17	22	33
HDL	11	13	104	16
LDL	44	7	45	48

Reference levels; total cholesterol (TC) <200 mg/dl, triglycerides (TG) 40–120 mg/dl, HDL-cholesterol (HDL) >60 mg/dl, LDL-cholesterol (LDL) <100 mg/dl.

*The number of patients whose lipid profile were normalized at 6 months after surgery.