
<span class="r-out co"><span class="r-pr">#&gt;</span> $incidence_denominator</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] NA</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> attr(,"class")</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "tsd_burden_levels"</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> attr(,"time_interval")</span>
<span class="r-out co"><span class="r-pr">#&gt