A blood test for cystatin C level, a measure of kidney function, identified a group of elderly people with "preclinical kidney disease" who were also at higher risk for cardiovascular disease, stroke, and death than those with normal cystatin C levels, a new study finds (Article, p. 237).

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Annals of Internal Medicine tip sheet for Aug. 15, 2006, issue

Contact: Susan Anderson
American College of Physicians

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