erse event costs for reference treatment</span></span>
<span>    <span class="op">)</span></span>
<span></span>
<span></span>
<span><span class="co">#Define variables that do not change as we loop through interventions for a patient</span></span>
<span><span class="va">common_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>  <span class="co">#Patient baseline characteristics</span></span>
<span>  S