Visualization of the intracavitary blood flow in systemic ventricles of Fontan patients by contrast echocardiography using particle image velocimetry

Table 4 Interobserver variability analysis of quantitative vortex parameter measurements

Variables	Interobserver variability Mean difference ± 1.96 SD
VD	0.012 ± 0.078
VS	-0.017 ± 0.056
VL	-0.007 ± 0.109
VW	-0.010 ± 0.058
SI	0.004 ± 0.144
RS	-0.003 ± 0.136
VRS	0.020 ± 0.044
VPC	0.005 ± 0.024

ISSN: 1476-7120