Chronic kidney disease as a predictor of clinical risk in the elderly

<正>1 Introduction Facing the needs of an increasingly ageing population is rapidly becoming a major public health issue in western countries.[1,2]Chronic kidney disease（CKD）,whose current prevalence is estimated around 10%-15%in the general population,with considerably higher figures in at-risk groups,is widely known to increase with age.'31 In the elderly,renal