pan class="r-in"><span>    n_ae <span class="op">=</span> <span class="va">n_event</span>,</span></span>
<span class="r-in"><span>    site_number <span class="op">=</span> <span class="va">site_id</span>,</span></span>
<span class="r-in"><span>    patnum <span class="op">=</span> <span class="va">patient_id</span></span></span>
<span class="r-in"><span>  <span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">df_site</span> <span class="op">&