Inclusion Criteria:  all patients who have undergone PCI due to chronic stable angina  Exclusion Criteria:  Patients with acute coronary syndrome Primary LDL>190 mg/DL Patients who developed statin-induced myopathy or rhabdomyolysis Persistent increase in hepatic enzyme levels or hepatic failure Pregnancy and breast feeding Statin hypersensitivity Patients with history of multiple atherosclerotic events Patients who received high intensity statin before the study enrollment.