Semi-automatic carotid intraplaque hemorrhage detection and quantification on Magnetization-Prepared Rapid Acquisition Gradient-Echo (MP-RAGE) with optimized threshold selection

Table 3 IPH detection and quantification performance using the optimized thresholds

Data subset			Sensitivity (%)			Specificity (%)			Pearson’s correlation coefficient (r)
	IPH Area (mm²)	n+/n	SCM	Adjacent muscle	Median	SCM	Adjacent muscle	Median	SCM	Adjacent muscle	Median
With CA	>0	63/133	49	56	40	62	69	80	0.58	0.83	0.81
	>1.25	52/122	57	62	52	76	69	80	0.61	0.82	0.80
	>2.80	34/104	50	68	59	85	70	80	0.61	0.83	0.82
No CA	>0	49/119	54	49	39	66	76	81	0.74	0.92	0.90
	>1.25	40/110	62	53	58	76	74	80	0.76	0.91	0.89
	>2.80	25/95	59	68	80	85	74	79	0.76	0.93	0.90

ISSN: 1532-429X