TABLE 2.

Results of intra-observer and inter-observer variability

			Absolute values			Relative values
Obsever	Metric	Range	Max AD	AAD	SDAD	Max AD	AAD	SDAD
O1 and O1∗	ASC	2.78	0.64	0.17	0.18	23%	6%	7%
	WTR4CH	0.88	0.52	0.11	0.12	59%	12%	13%
	WTRPLAX	0.94	0.45	0.16	0.12	47%	17%	13%
O1 and O2	ASC	2.85	0.67	0.23	0.20	23%	8%	7%
	WTR4CH	0.86	0.77	0.28	0.22	89%	33%	25%
	WTRPLAX	0.89	0.56	0.26	0.14	63%	30%	16%
O1 and O3	ASC	2.39	0.74	0.32	0.22	31%	13%	9%
	WTR4CH	0.51	0.98	0.26	0.26	190%	51%	51%
	WTRPLAX	0.67	0.67	0.18	0.17	100%	26%	26%

Differences in absolute and relative (to the range of the index) terms. Bold indicates most relevant values. 4CH, four-chamber; AD, absolute difference; ASC, average septal curvature; AAD, average AD; BSH, basal septal hypertrophy; SDAD, standard deviation of AD.