[php]
if ($_POST) {
$a = $_POST[‘age’];
$b = $_POST[‘mi’];
$c = $_POST[‘chf’];
$d = $_POST[‘pvd’];
$e = $_POST[‘cva’];
$f = $_POST[‘dementia’];
$g = $_POST[‘copd’];
$h = $_POST[‘ctd’];
$i = $_POST[‘pud’];
$j = $_POST[‘dm’];
$k = $_POST[‘ckd’];
$l = $_POST[‘hemiplegia’];
$m = $_POST[‘leukemia’];
$n = $_POST[‘lymphoma’];
$o = $_POST[‘tumor’];
$p = $_POST[‘liver’];
$q = $_POST[‘aids’];
$result = $a + $b + $c + $d + $e + $f + $g + $h + $i + $j + $k + $l + $m + $n + $o + $p + $q;
$mortality = ($result * 0.9);
$mortality = (exp($mortality));
$mortality = (pow(0.983, $mortality));
$mortality = (round($mortality, 2));
$mortality = $mortality * 100;
echo “Charlson Score: “;
echo $result;
echo ” (“;
echo $mortality;
echo “% survival at 10 years)”;
echo ” *”;
}
[/php]
Formula :
Points applied for specific co-morbidities.
Explanation of Result :
Points applied for specific co-morbidities.
* Please verify all calculations prior to clinical use.