r-pr">#&gt;</span>   ..$ dim        : int [1:2] 1967 9</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   ..$ df_summary : tibble [1 × 5] (S3: tbl_df/tbl/data.frame)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   .. ..$ n_studies : int 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   .. ..$ n_sites   : int 5</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   .. ..$ n_patients: int 100</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  