n>   edema (%)                                0.877     </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      0            132 (83.5)  131 (85.1)             </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      0.5           16 (10.1)   13 ( 8.4)             </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      1             10 ( 6.3)   10 ( 6.5)             </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   stage (%)                                0.