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An Introduction to Biostatistics¹

¹ From the Department of Radiology, Riley Hospital for Children, 702 Barnhill Rd, Indianapolis, IN 46202 (K.E.A.); and the Department of Research, American College of Radiology, Reston, Va (P.E.C.). Received May 16, 2001; revision requested July 6; revision received September 5; accepted September 24. Address correspondence to K.E.A. (e-mail: kiappleg@iupui.edu).

This introduction to biostatistics and measurement is the first in a series of articles designed to provide Radiology readers with a basic understanding of statistical concepts. Although most readers of the radiology literature know that application of study results to their practice requires an understanding of statistical issues, many may not be fully conversant with how to interpret statistics. The goal of this series is to enhance the ability of radiologists to evaluate the literature competently and critically, not make them into statisticians.

© RSNA, 2002

Index terms: Radiology and radiologists, research • Statistical analysis

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