Table 3.

Association between age, complexity of CHD, and gender with presence of at least one comorbidity.

	Univariate		Multivariate
Variable	OR (95% CI)	p	OR (95% CI)	p
Age (in years)	1.05 (1.04–1.06)	<0.0001	1.05 (1.04–1.06)	<0.0001
Male	0.89 (0.79–1.01)	0.06
Biventricular CHD	0.97 (0.78–1.22)	0.82
Moderate CHD	1.46 (1.26–1.68)	<0.0001	1.53 (1.32–1.77)	<0.0001
Severe CHD	1.42 (1.22–1.66)	<0.0001	1.57 (1.34–1.84)	<0.0001

OR, odds ratio; CHD, congenital heart disease.