limits. </span></span>
<span><span class="co">#&gt; This left 74 patients included in the final study (i.e. overall 54 were removed).</span></span></code></pre></div>
</div>
<div class="section level2">
<h2 id="reusable-functions">Reusable functions<a class="anchor" aria-label="anchor" href="#reusable-functions"></a>
</h2>
<p>Composing <code>dtrackr</code> inclusion and exclusion criteria into
functions lets you reuse them across different studies, but to be useful
these functions need to be parametrised. A