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Table 1: 
Median score (range) for every vessel and image quality parameter by reader
VesselTypeReader 1Reader 2Reader 3
Arterial score 1: CCAMIP5 (4, 5)5 (5, 5)4 (3, 5)
MPR4 (3, 4)5 (4, 5)4 (3, 5)
Arterial score 2: BifurcationMIP5 (5, 5)5 (4, 5)5 (4, 5)
MPR3 (2, 4)4 (3, 4)4 (4, 5)
Arterial score 3: ICAMIP4 (4, 5)5 (4, 5)4 (3, 5)
MPR3 (2, 4)4 (3, 5)4 (2, 5)
Arterial score 4: ECAMIP4 (4, 5)5 (4, 5)4 (3, 5)
MPR3 (2, 4)4 (3, 4)4 (2, 5)
Arterial score 5: Intraosseous portion of ICAMIP5 (4, 5)5 (4, 5)4 (3, 5)
MPR2 (2, 3)3 (3, 4)3 (2, 4)
Arterial score 6: Vertebral arteriesMIP4 (4, 5)5 (4, 5)4 (3, 5)
MPR3 (3, 4)4 (3, 4)3.5 (2, 5)
Arterial score 7: Basilar arteryMIP4 (4, 5)5 (5, 5)4 (4, 5)
MPR3 (2, 4)4 (4, 4)4 (2, 4)
Arterial score 8: Communicating arteriesMIP4 (4, 4)5 (4, 5)4 (3, 5)
MPR3 (2, 3)3.5 (3, 4)3 (2, 5)
Arterial score 9: First segments: A1, M1, P1MIP5 (4, 5)5 (5, 5)5 (4, 5)
MPR4 (3, 4)4 (4, 5)4 (3, 4)
Arterial score 10: Second segments: A2, M2, P2MIP4.5 (4, 5)5 (4, 5)4 (3, 4)
MPR3 (3, 3)4 (3, 4)3 (2, 3)
Arterial score 11: Third segments: A3, M3, P3MIP4 (4, 5)5 (4, 5)3 (3, 4)
MPR2.5 (2, 3)3 (3, 4)2 (2, 3)
Venous score 1: Internal and bridging cerebral veinsMIP4 (4, 5)5 (5, 5)4 (3, 5)
MPR3.5 (3, 4)4 (4, 5)4 (2, 4)
Venous score 2: Cavernous sinusMIP4 (4, 5)4 (4, 5)3 (3, 4)
MPR2 (2, 3)4 (3, 4)3 (2, 3)
Venous score 3: Superior saggital sinusMIP4 (4, 5)5 (5, 5)4 (4, 5)
MPR4 (4, 4)5 (3, 5)4 (4, 5)
Venous score 4: Transverse and sigmoid sinusMIP4 (4, 5)5 (4, 5)4 (4, 5)
MPR4 (4, 5)5 (4, 5)4 (3, 5)
Venous score 5: Jugular veinsMIP3 (2, 5)4 (3, 5)3 (2, 5)
MPR3 (2, 4)4 (3, 5)3 (2, 5)
Quality score 1: Quality overall: 1 (poor) to 5 (excellent)MIP4 (4, 5)5 (4, 5)4.5 (4, 5)
MPR3 (3, 4)4 (4, 4)4 (4, 5)
Quality score 2: Artifacts: 1 (cannot be interpreted) to 5 (no artifacts)MIP4 (3, 5)4 (4, 5)4 (3, 5)
MPR3.5 (2, 4)4 (4, 5)4 (3, 5)
Quality score 3: Dental artifacts: 1 (cannot be interpreted) to 5 (no artifacts)MIP3.5 (2, 5)3.5 (3, 5)3.5 (2, 5)
MPR3.5 (2, 5)3.5 (2, 5)3.5 (2, 5)
Quality score 4: Delineation of vascular calcification: 1 (poor) to 5 (excellent)MIP5 (4, 5)†5 (4, 5)†5 (4, 5)†
MPR3 (2, 3)†4 (3, 4)†5 (3, 5)†
Quality score 5: Subjective contrast: 1 (insufficient) to 5 (excellent)MIP5 (4, 5)5 (5, 5)4.5 (4, 5)
MPR5 (4, 5)4 (4, 5)4.5 (4, 5)
  • Note:—CCA indicates common carotid artery; ICA, internal carotid artery; ECA, external carotid artery.
  • † In one of the 10 subjects, all readers chose n/a, as no calcifications were discerned with either technique.