Table 4.

Subject characteristics by the type of superior cavopulmonary connection.

	Bidirectional cavopulmonary anastomosis (n = 229)	Hemi-Fontan (n = 114)	Bilateral bidirectional cavopulmonary anastomosis (n = 39)	Adjusted p-value*
Pre-Fontan hospitalisation medical history
History of arrhythmia before Fontan (%)	27	10	41	<0.001
Fontan medical history
Type of Fontan procedure				<0.0001
Atriopulmonary connection (%)	9	4	3
Intracardiac lateral tunnel (%)	51	93	36
Extracardiac conduit (%)	40	3	59
Other (%)	0	1	3
Log of Fontan hospital stay	2.5 ± 0.5	2.6 ± 0.9	2.6 ± 0.7	0.3
Post-Fontan medical history
Stroke (%)	2	2	0	0.7
Thrombosis (%)	7	4	3	0.4
Protein-losing enteropathy (%)	4	2	8	0.2
Post-Fontan arrhythmia (%)	18	21	5	0.2

^*Adjusted for site, year of Fontan, age at Fontan, age at enrolment