Table 3:

Structural effects.

Covariate	Estimated difference	SEMa	p-value
Aggregate structural effect	$3,999	$2,682	0.14
Hospital volume per year	$420	$5,116	0.94
Age at admission (days)	−$4,834	$1,268	<0.001
Prematurity	−$1,322	$643	0.04
Genetic syndrome	$1,048	$963	0.28
RACHS score (2 referent)
3	$9,915	$2,097	<0.001
4	$5,610	$1,753	0.001
5	−$71	$247	0.77
6	$4,693	$1,399	0.001
Infection	−$2,112	$2,111	0.32
Delayed sternal closure	$27	$45	0.55
Cardiac arrest	$276	$1136	0.81

Model adjusted for race, gender, payor, and year of admission.

^aSEM=standard error of the mean