Table 3.

Comparison of SVC/IVC configurations in patients who underwent bilateral BCPS

Variables Mean ± SD	Concordant relationship	Discordant relationship	p value
Number of patients	30	10

	Right	Left	Right	Left
Dominant SVC	21	9	1	9
IVC/HV to PA connection	21	9	9	1
Central PA diameter	7.2 ± 3.5		6.3 ± 2.1		0.431
Right PA diameter	10.3 ± 2.4		9.7 ± 2.7		0.532
Left PA diameter	9.5 ± 2.0		10.0 ± 3.7		0.728
Distance from right/left SVCs	17.5 ± 5.7		23.4 ± 12.8		0.057
Dominant SVC diameter	8.9 ± 1.7		10.8 ± 3.2		0.090
Non-dominant SVC diameter	8.8 ± 2.3		7.8 ± 1.3		0.192
Dominant/non-dominant SVC ratio	1.1 ± 0.3		1.4 ± 0.3		0.012

Diameters expressed in millimeters (mm)

SVC superior vena cava, IVC inferior vena cava, BCPS bidirectional cavopulmonary shunt, SD standard deviations, HV hepatic vein, PA pulmonary artery

Bold indicates p < 0.05