Table 2:

Number of intracranial arterial stenosed segments according to observers and postprocessing techniques

	Number of Identified Lesions
	Observer 1				Observer 2
	MPR	CPR	MIP	VR	MPR	CPR	MIP	VR
High cervical ICA right	3	5	6	6	3	4	7	7
High cervical ICA left	3	4	7	7	4	5	7	7
Petrous ICA right	4	5	5	8	3	4	6	9
Petrous ICA left	5	6	7	11	2	5	8	11
Cavernous ICA right	2	8	5	5	4	4	4	4
Cavernous ICA left	3	2	4	3	4	3	4	5
Supraclinoid ICA right	3	3	4	4	4	2	4	5
Supraclinoid ICA left	3	4	5	5	2	3	5	4
A1 right	0	1	2	2	0	1	2	3
A1 left	0	0	1	1	1	0	2	1
A2 right	0	1	1	2	0	1	1	2
A2 left	0	0	1	2	0	0	2	2
M1 right	3	6	7	8	2	3	5	6
M1 left	2	4	6	7	3	2	4	7
M2 right	3	4	9	6	3	3	8	8
M2 left	2	1	10	6	2	1	11	7
Intracranial vertebral right	8	15	16	21	6	12	17	21
Intracranial vertebral left	12	14	21	24	9	19	22	25
P1 right	2	5	8	11	3	7	9	12
P1 left	3	6	6	9	4	8	7	7
P2 right	5	8	9	14	3	4	8	9
P2 left	6	12	14	13	8	14	13	13
Proximal basilar	7	9	12	14	9	8	10	10
Distal basilar	6	9	11	12	9	10	10	12
Total	85	132	177	201	88	123	176	197