Table 3. Performance of the calcification score in the intracranial internal carotid artery.

	Rater 1	Model				Rater 2	Model
		Medial	Intimal	Absent*	Total		Medial	Intimal	Absent*	Total
Histology	Medial	5	2	4	11	Medial	6	3	3	12
	Intimal	2	3	0	5	Intimal	1	3	0	4
	Absent	0	0	0	0	Absent	0	0	0	0
	Total	7	5	4	16	Total	7	6	3	16

*or indistinguishable