[php]
if ($_POST) {
$hd = $_POST[‘hd’];
$a = $_POST[‘cr’];
$b = $_POST[‘tbili’];
$c = $_POST[‘inr’];
if (($a) > 4) {
$a = 4;
}
if (($hd) == 1) {
$a = 4;
}
if (($a) < 1) {
$a = 1;
}
if (($b) < 1) {
$b = 1;
}
if (($c) < 1) {
$c = 1;
}
if (empty($result)) {
$var1 = log($a);
$var2 = 9.57*$var1;
$var3 = log($b);
$var4 = 3.8*$var3;
$var5 = log($c);
$var6 = 11.2*$var5;
$var7 = $var2+$var4+$var6;
$var8 = $var7+6.4;
$meld = round($var8, 0);
$karnofsky = $_POST[‘score’];
$age = $_POST[‘age’];
$varb1 = $age*.0394;
$varb2 = $meld*.0406;
$varb3 = $karnofsky*.0298;
$varb4 = $varb1+$varb2;
$varb5 = $varb4-$varb3;
$result = $varb5-3.3889;
$result = (round($result,2));
echo “Result : “;
echo $result;
echo ” *”;
}
}
[/php]
Formula :
−3.3889 + 0.0394 ∗ 𝐴ge + 0.0406 ∗ MELD − 0.0298 ∗ Karnofsky Score
Explanation of Result :

* Please verify all calculations prior to clinical use.