span class="op">(</span></span>
<span>        trt <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span></span>
<span>            est <span class="op">=</span> <span class="va">diff_est</span>,</span>
<span>            se <span class="op">=</span> <span class="va">diff_se</span>,</span>
<span>            df <span class="op">=</span> <span class="cn">NA</span></span>
<span>        <span class="op">)</span></span>
<s