老年人口占整个人群数的相当比例,其对物质的吸收、消化也和其它人群有所差异,近年来已引起人们极大兴趣。一般认为木糖试验是检测小肠吸收功能最可靠的方法。但假阳性率约占整个检查的20%～40%。为了解年龄是否为影响因素之一,我们观察了33例不同 Elderly population accounts for a considerable proportion of the total population, its absorption of substances, digestion and other people are different, in recent years has aroused great interest. It is generally believed that the xylose test is the most reliable method of detecting intestinal absorption. However, the false positive rate of about 20% ~ 40% of the entire examination. To see if age is one of the influencing factors, we looked at 33 different cases