tokens: Contrarily , pravastatin at a dose of 10 mg / day improved the sera of the patients to be markedly " anti - atherogenic " , but the reductions of cholestanol ( 30 . 4 % ) , lathosterol ( 44 . 0 % ) , campesterol ( 22 . 9 % ) and sitosterol ( 9 . 6 % ) were inadequate .