[php]
if ($_POST) {
$hd = $_POST[‘hd’];
$a = $_POST[‘cr’];
$b = $_POST[‘tbili’];
$c = $_POST[‘inr’];
$d = $_POST[‘vent’];
if (($a) > 4) {
$a = 4;
}
if (($hd) == 1) {
$a = 4;
}
if (($a) < 1) {
$a = 1;
}
if (($b) < 1) {
$b = 1;
}
if (($c) < 1) {
$c = 1;
}
if ((empty($a)) || (empty($b)) || (empty($c))) {
$result = "Fill in all variables";
}
if (empty($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);
if (($meld) < 16) {
$meldscore = 1;
}
if (($meld) > 15 AND ($meld) < 33) {
$meldscore = 2;
}
if (($meld) > 39) {
$meldscore = 3;
}
$result = $d + $meldscore;
}
echo “Result : “;
echo $result;
echo ” *”;
}
[/php]
Formula :
(3.8[Ln serum bilirubin (mg/dL)] + 11.2[Ln INR] + 9.6[Ln serum creatinine (mg/dL)] + 6.4) + Additional weighting for ventilation status.
Explanation of Result :
MELD ICU 0-1 = Low Risk 7-day mortality (9-33%)
MELD ICU 2 = Intermediate Risk 7-day mortality (27-56%)
MELD ICU 3-4 = High Risk 7-day mortality (71-74%)
* Please verify all calculations prior to clinical use.