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Table 1 Number of ‘visible’ of feeder arteries as determined by CE 4DMRA, non-CE 4DMRA, and reference images

From: Feasibility of non-contrast-enhanced four dimensional (4D) MRA in head and neck tumors, comparison with contrast-enhanced 4D MRA

  Reference CE4DMRA non-CE4DMRA
Consensus reading Observer Sensitivity Consensus reading Observer Sensitivity
1 2 1 2
ECA 3 3 4 3 19/20 (95 %, 95 % CI; 0.75–1.00) 2 2 2 4/20 (20 %, 95 % CI; 0.06–0.44)
MA 5 4 4 4 0 0 0
Ling. A 4 4 5 4 0 2 0
Fa. A 4 4 7 4 0 2 0
As. Pha. A 3 3 1 3 2 1 2
Total 20 19 23 19 4 7 4
  1. ECA External carotid artery, MA maxillary artery, Ling. A lingual artery, Fa. A facial artery, As. Pha. A ascending pharyngeal artery, CE 4D MRA contrast-enhanced 4D MRA, non-CE 4D MRA non contrast-enhanced 4D MRA