Table 1.

Contour Accuracy in Terms of Average Perpendicular Distance, Dice Metric, and Good Percentage (Mean Value ± standard deviation)

Group	Studies	Average perpendicular distance		Overlapping dice metric		Good percent
		Endocardial	Epicardial	Endocardial	Epicardial	Endocardial	Epicardial
HF-I	12	1.84 ± 0.32	2.10 ± 0.57	0.93 ± 0.02	0.94 ± 0.02	86.5 ± 18.9	87.8 ± 21.2
HF-NI	12	2.17 ± 0.40	2.08 ± 0.36	0.91 ± 0.02	0.94 ± 0.01	83.4 ± 14.1	84.5 ± 14.9
HYP	12	2.29 ± 0.52	2.34 ± 0.34	0.87 ± 0.03	0.92 ± 0.02	73.0 ± 17.6	82.6 ± 13.7
Normal	9	2.40 ± 0.40	2.39 ± 0.41	0.87 ± 0.04	0.92 ± 0.01	72.0 ± 24.0	80.0 ± 18.0
All	45	2.16 ± 0.46	2.22 ± 0.43	0.89 ± 0.04	0.93 ± 0.02	79.2 ± 19.0	83.9 ± 16.8
Overall	45	2.19 ± 0.44		0.91 ± 0.03		81.5 ± 18.0

The test cases are categorized by the subjects’ syndromes: heart failure with ischemic (HF-I), heart failure without ischemic (HF-NI), hypotrophy (HYP), and normal subjects