<script type="text/javascript"> function calc_crcl() { var age = document.crcl.a.value; var creat = document.crcl.c.value; var weight = document.crcl.w.value; var creat_units = document.crcl.csel.value; var weight_units = document.crcl.wsel.value; var sex = document.crcl.sex.value;
if (age=="" || weight=="" || creat=="") return;
var crcl = 1.2 * (140 - age) * (weight * weight_units) / (creat * creat_units) * sex;
if (crcl < 10) document.crcl.res.value = "< 10"; else document.crcl.res.value = Math.floor(crcl); } </script> <form name="crcl" style="font-size:80%;float:right;padding:5px;border:1px solid grey;"> Creatinine Clearance (CrCl) Calculator
<label for="a" style="width:70px;display:inline-block">Age:</label> <input autocomplete="off" onkeyup="calc_crcl()" name="a" style="width:80px;display:inline-block"> years
<label for="sex" style="width:70px;display:inline-block">Sex:</label> <select name="sex" onchange="calc_crcl()" style="width:80px;display:inline-block"> <option value="1" selected>Male</option> <option value="0.85">Female</option> </select>
<label for="w" style="width:70px;display:inline-block">Weight:</label> <input autocomplete="off" onkeyup="calc_crcl()" name="w" style="width:50px;display:inline-block"> <select name="wsel" onchange="calc_crcl()" style="width:70px;display:inline-block"> <option value="1" selected>kg</option> <option value="0.4536">lbs</option> </select>
<label for="c" style="width:70px;display:inline-block">Creatinine:</label> <input autocomplete=off onkeyup="calc_crcl()" name="c" style="width:50px;display:inline-block"> <select name="csel" onchange="calc_crcl()" style="width:70px;display:inline-block"> <option value="88">mg/dL</option> <option value="1" selected>umol/L</option> </select>
<label for="res" style="width:70px;display:inline-block">CrCl:</label> <input ReadOnly name="res" style="width:50px;display:inline-block;background-color:#cccccc"> mL/min
</form>
