We conducted a double-blind , randomized trial involving @,@ patients who had been hospitalized for an acute coronary syndrome within the preceding @ days and had LDL cholesterol levels of @ to @ mg per deciliter ( @ to @ mmol per liter ) if they were receiving lipid-lowering therapy or @ to @ mg per deciliter ( @ to @ mmol per liter ) if they were not receiving lipid-lowering therapy .