Drawing Conclusions about Short-Term Variability in Liver Function Test Results

  1. Agostino Colli, MD; and
  2. Daniele Prati, MD
  1. From Ospedale Alessandro Manzoni, Lecco 23900, Italy.

    TO THE EDITOR:

    The recent article by Lazo and colleagues (1) shows that in the context of an epidemiologic survey, such as NHANES, abnormal liver test results in more than one third of participants (levels of aspartate aminotransferase, ALT, alkaline phosphatase, γ-glutamyltransferase, and bilirubin) would be reclassified as normal if retested 17 days apart. On the basis of …

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    1. Ann Intern Med July 15, 2008 vol. 149 no. 2 145
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