[Diagnostic validity of tests--binary tables or multidimensional statistical methods?].
The authors criticize the use of concepts of sensitivity and specificity calculated by means of a binary table in differential diagnostic reflections pertaining to more than one disease or several, i.e. more than one diagnostic test. On examples they present possibilities of different ways for calculating these concepts with different not correlating results. They indicate the justification of using multidimensional statistical methods in those instances and their better diagnostic yield.
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