Cardiovascular Ultrasound

Table 2 Intra- and inter-observer variabilities in tricuspid valve 3D measurements

From: Three-dimensional analysis of the tricuspid annular geometry in healthy subjects and in patients with different grades of functional tricuspid regurgitation

	Intra-observer variability		Inter-observer variability
	ICC	p-value	ICC	p-value
TA area, cm²	0.95	< 0.001	0.97	< 0.001
TA perimeter, cm	0.94	< 0.001	0.96	< 0.001
Major axis, cm	0.94	< 0.001	0.96	< 0.001
Minor axis, cm	0.91	< 0.001	0.91	< 0.001
4Ch diameter, cm	0.93	< 0.001	0.95	< 0.001
2Ch diameter, cm	0.88	< 0.001	0.90	< 0.001
Max tenting height, cm	0.90	< 0.001	0.90	< 0.001
Coaptation height, cm	0.85	< 0.001	0.86	< 0.001
Tenting volume, ml	0.91	< 0.001	0.97	< 0.001
Sphericity index, %	0.90	< 0.001	0.92	< 0.001

4Ch four chambers, ICC intraclass correlation coefficient, TA tricuspid annulus, 3D three-dimensional, 2Ch two chambers

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ISSN: 1476-7120

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