ass="r-pr">#&gt;</span>                            "Stratified by trt"</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  ""                         "2"                         "p"      "test"   </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   "n"                       "    154"                   ""       ""       </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   "time (mean (SD))"        "1996.86 (1155.93)"         " 0.883" ""       </span>
<span class="r-out co">