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. 2020 Sep;41(9):1663–1669. doi: 10.3174/ajnr.A6707

Table 2:

Spatial accuracy assessment of the virtual 3D roadmap for the 9 ROIs

ROIs of the Virtual Roadmap/Spatial Accuracy No. (%)
Brachiocephalic artery trunk
    Accurate 27 (96.4)
    Mismatch 1 (3.6)
    Inaccurate
    All 28 (100)
Right subclavian artery
    Accurate 8 (100)
    Mismatch
    Inaccurate
    All 8 (100)
Right vertebral artery
    Accurate 5 (100)
    Mismatch
    Inaccurate
    All 5 (100)
Right common carotid artery
    Accurate 16 (69.6)
    Mismatch 3 (13.0)
    Inaccurate 4 (17.4)
    All 23 (100)
Right internal carotid artery
    Accurate 10 (66.7)
    Mismatch 3 (20.0)
    Inaccurate 2 (13.3)
    All 15 (100)
Left common carotid artery
    Accurate 24 (85.7)
    Mismatch 3 (10.7)
    Inaccurate 1 (3.6)
    All 28 (100)
Left internal carotid artery
    Accurate 17 (81.0)
    Mismatch 3 (14.3)
    Inaccurate 1 (4.8)
    All 21 (100)
Left subclavian artery
    Accurate 13 (92.9)
    Mismatch 1 (7.1)
    Inaccurate
    All 14 (100)
Left vertebral artery
    Accurate 8 (88.9)
    Mismatch 1 (11.1)
    Inaccurate
    All 9 (100)
Overall
    Accurate 128 (84.8)
    Mismatch 15 (9.9)
    Inaccurate 8 (5.3)
    All