Evaluation of strain averaging area and strain estimation errors in a spheroidal left ventricular model using synthetic image data and speckle tracking

Table 7 Error measures of ε_L estimates obtained using SAAA and MaxNE_ES limit 33%

Seg	V	MED [1/1]	MAD [1/1]	MEDN (%)	MADN (%)	MaxE_ES [1/1]	MaxNE_ES (%)	MXCC [1]
17	F	0.0120	0.0017	− 21.4	3.0	0.017	30.3	0.99908
17	P	− 0.0082	0.0033	14.6	5.9	0.018	32.2	0.99964
13	F	− 0.0006	0.0038	0.5	3.3	0.012	10.2	0.99982
13	P	− 0.0021	0.0037	1.7	3.2	0.013	11.4	0.99988
7	F	0.0013	0.0030	− 0.9	2.1	0.010	7.3	0.99995
7	P	− 0.0005	0.0025	0.4	1.8	0.008	5.8	0.99994
1	F	0.0155	0.0083	− 11.5	6.2	0.040	30.2	0.99881
1	P	− 0.0019	0.0046	1.4	3.6	0.016	12.1	0.99939

A2C projection in selected segments. Seg.—number of AHA17 segment; View—View type; MaxE_ES—predicted maximal estimation error; MaxNE_ES—predicted maximal estimation relative error; MXCC—median XCC value; MED—median estimation error; MEDN—median estimation relative error; MAD—median absolute deviation of estimation error; MEDN—median absolute deviation of estimation relative error; V.—View; F—Full; P—Part

ISSN: 1471-2342