(1) the triglycerides-lowering efficacy of 20, 40, or 80mg/ day doses; (2) the effect of baseline triglycerides levels on triglycerides-lowering efficacy; (3) the effects of simvastatin 20, 40, or 80 mg/ day on LDL cholesterol, VLDL cholesterol, non-HDL cholesterol, HDL cholesterol, apolipoproteins (apos) B, A-I, E, C-III, and fibrinogen; (4) the effects of simvastatin 20, 40, or 80 mg/ day on lipoprotein remnant metabolism; and (5) the tolerability of simvastatin at doses of 20, 40, or 80 mg/ day.