Table 1 Entry and exclusion criteria

 Japanesess

 Type 2 diabetes mellitus

 Age ≥ 20 years

 Using atorvastatin 10 mg/day or pitavastatin 1 mg/day for > 1 month

 LDL-C ≥ 120 mg/dL for patients without CAD , LDL-C ≥ 100 mg/dL for patients with CAD

Exclusion criteria

 Pregnant, possible to become pregnant, or brest-feeding to baby(s)

 Hypersensitive to the medicines concerned

 Liver dysfunction

 HbA1C ≥ 9.4%

 Serum creatinine ≥ 2.0 mg/dL

 Triglyceride ≥ 400 mg/dL

 Secondary dyslipidemia, drug-induced dyslipidemia

 Homozygotic familial hypercholesterolemia

 Other non-specific reason, such as poor adherence