uded or not in
the output data table.</p></dd>
</dl></div>
    <div id="value">
    <h2>Value</h2>
    <p>The function return a data.table with columns:</p><ul><li><p>STUDYID       (character)</p></li>
<li><p>Additional columns contained in the <code>studyList</code> table</p></li>
<li><p>TCNTRL        (character)<br>
The value of the TX parameter TCNTRL which is used for identification
of whether its a negative control group or not</p></li>
<li><p>USUBJID       (character)</p></li>
<li><p>RFSTDT