an class="co"># Baseline Age in years</span></span>
<span>  <span class="op">)</span></span>
<span></span>
<span></span>
<span><span class="co">#Define variables that change as we loop through treatments for each patient.</span></span>
<span><span class="va">unique_pt_inputs</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/add_item.html">add_item</a></span><span class="op">(</span></span>
<span>  fl.int  <span class="op">=</span> <span class="fl">0</span>, <span class="co">#Flag t