Table 4.

Comparison of results at 1.5T versus 3T for automatic classification.

Average Area Per Slice (mm2)
Tissue	1.5T	3T	P	R	κ
Lipid Rich Core	1.61	2.17	0.3	0.91	0.68
Type I Hemorrhage	0.63	0.34	0.04	0.98	0.59
Type II Hemorrhage	0.63	0.89	0.03	0.91	0.55
Calcification	0.95	1.30	0.09	0.95	0.77
Loose Matrix	1.27	2.92	0.002	0.29	0.20
Dense Fibrous	30.64	28.48	0.001	0.89	*
Combined Regions
All Hemorrhage	1.26	1.23	0.8	0.93	0.65
Necrotic Core	2.87	3.41	0.4	0.87	0.69
All Fibrous	31.91	31.39	0.3	0.93	*

^*Cohen’s κ could not be computed for Fibrous regions because they were present in every slice