Right-left ventricular shape variations in tetralogy of Fallot: associations with pulmonary regurgitation

Table 2 Error between biventricular model estimates and slice summation of manual contours

	Differences	PPMCC	Values from 3D models	Values from manual contours	Interobserver error (n = 35)
RV EDVI (ml/m²)	9 ± 15	0.89	147 ± 14	137 ± 15	− 7 ± 12
RV ESVI (ml/m²)	6 ± 10	0.90	90 ± 27	84 ± 33	− 11 ± 15
RVEF (%)	0 ± 7	0.70	39 ± 7	39 ± 9	5 ± 5
RVMI (g/m²)	2 ± 6	0.74	42 ± 11	39 ± 9	− 2 ± 5
LV EDVI (ml/m²)	0 ± 7	0.90	78 ± 14	79 ± 16	− 1 ± 5
LV ESVI (ml/m²)	3 ± 6	0.88	42 ± 24	39 ± 20	− 1 ± 3
LVEF (%)	4 ± 8	0.74	50 ± 6	46 ± 9	1 ± 3
LVMI (g/m²)	10 ± 6	0.75	76 ± 14	66 ± 11	− 4 ± 3

Data are presented as mean difference ± std. dev. of the differences. RV right ventricle, LV left ventricle, EF ejection fraction, EDVI end-diastolic volume index, ESVI end-systolic volume index, LVMI left ventricular mass index, PPMCC Pearson product moment correlation coefficient, RVMI right ventricular mass index

ISSN: 1532-429X