 <span class="ot">&lt;-</span> <span class="fu">names</span>(pbc)[<span class="sc">-</span><span class="dv">1</span>]</span>
<span id="cb1-7"><a href="#cb1-7" aria-hidden="true" tabindex="-1"></a><span class="do">## Create Table 1 stratified by trt (can add more stratifying variables)</span></span>
<span id="cb1-8"><a href="#cb1-8" aria-hidden="true" tabindex="-1"></a>tableOne <span class="ot">&lt;-</span> <span class="fu">CreateTableOne</span>(<span class="at">vars =</span> vars, <span class="at">strata =<