METHODS	This was a multicenter , prospective , randomized , double-blind , parallel-group study enrolling adult patients with type IIa or IIb primary hypercholesterolemia , LDL-C levels < 6.0 mmol/L ( < 232.0 mg/dL ) , and triglyceride levels < 4.5 mmol/L ( < 398.6 mg/dL ) , and either CHD or other atherosclerotic disease ( the CHD , or high-risk , group ) , or multiple risk factors for CHD ( the MRF , or moderate-risk , group ) .\