    </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   "protime (mean (SD))"     "10.80 (1.14)"              "0.197" ""       </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   "stage (%)"               ""                          "0.205" "exact"  </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   "   1"                    "4 (2.6)"                   ""      ""       </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   "   2"                    "32 (20.8