REED E. PYERITZ, M.D., PH.D.
To the editor: Rowe and colleagues are fortunate to have the Baltimore Longitudinal Study of Aging (BLSA) available to provide the data from which to construct the age-adjusted standards for creatinine clearance (Ann Intern Med 84:567-569, 1976). This is a unique population of middle-class, well-educated male volunteers who receive regular medical care and who are, in addition, concerned enough about the study of aging phenomena to adhere faithfully to various protocols. However, before the published nomogram finds routine use by other health professionals, several caveats deserve emphasis.
Because the function of a body system such as the urinary tract depends
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PYERITZ RE. Creatinine Clearance and Age. Ann Intern Med. 1976;85:534–536. doi: 10.7326/0003-4819-85-4-534
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Published: Ann Intern Med. 1976;85(4):534-536.
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