为对高胆固醇血症患者在保持体重、不限制体重及血脂水平的情况下,评估限制脂肪、饱和脂肪及胆固醇的摄入所起的作用,Sthaefer等对27例生活无拘无束、健康的中老年男性(n=13,年龄41～81岁)和女性(n=14,年龄52～79岁)中度高胆固醇血症病人[低密度脂蛋白胆固醇(LDL-C)≥3.36mmol/L(130mg/dl)]进行了3期改食干预。第一期,提供的饮食类似于一般美国人的饮食[基 To assess the role of limiting fatty, saturated fat and cholesterol intake in patients with hypercholesterolemia while maintaining weight, unrestricted weight, and lipid levels, Sthaefer et al., In a study of 27 unaffected, healthy middle-aged and elderly men Patients with moderate hypercholesterolemia (n = 13, age 41-81 years) and women (n = 14, age 52-79 years) [LDL-C ≥3.36 mmol / L dl)] carried out three changes in food intervention. The first phase, which provides a diet similar to that of an average American diet [base