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. 2008 Sep 16;249(2):534–540. doi: 10.1148/radiol.2492072009

Table 4.

Summary of Categoric Variables in Initial Trials

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Note.—Potential combined answers to “yes” or “no” questions from two different readers. Unless otherwise noted, values are the number of patients; data in parentheses are the percentages. NA = not applicable.

*

 Data in parentheses are the 95% confidence intervals.