span>       lvef             bnp        afib    bmi_cat</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  Min.   :0.2100   Min.   :1.057   0:240   1: 85  </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  1st Qu.:0.3600   1st Qu.:2.643   1:295   2:261  </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  Median :0.4700   Median :2.963           3:189  </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  Mean   :0.4829   Mean   :2.987                  </spa