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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Pediatr Radiol. 2016 Jun 27;46(11):1507–1519. doi: 10.1007/s00247-016-3654-3

Table 3.

Flow distribution vs. Fontan geometry regression analysis

Flow Distribution Measure Geometry Measure R2 P-value
% IVC to LPA LPA cross-sectional area 0.01 0.78
% IVC to RPA RPA cross-sectional area 0.50 0.02
% SVC to LPA LPA cross-sectional area 0.81 0.0004
% SVC to RPA RPA cross-sectional area 0.004 0.86
% IVC to LPA – % IVC to RPA Caval offset RL 0.10 0.38
% SVC to LPA – % SVC to RPA Caval offset RL 0.35 0.07
% IVC to LPA – % IVC to RPA Caval offset AP 0.01 0.74
% SVC to LPA – % SVC to RPA Caval offset AP 0.02 0.70
IVC to LPA IVC-LPA 0.03 0.64
IVC to RPA IVC-RPA 0.007 0.82
SVC to LPA SVC-LPA 0.36 0.06
SVC to RPA SVC-RPA 0.16 0.25

AP anterior-posterior, FP Fontan pathway, IVC inferior vena cava, LPA left pulmonary artery, RL right-left, RPA right pulmonary artery, SVC superior vena cava,