Image Quality of the TNE and VNE Images.

Abbreviations: TNE, true nonenhanced, VNE, virtual nonenhanced; NA, non-appreciable.aImage quality is scaled as 1 to 5 (1 excellent, 2 good, 3 fair, 4 poor, 5 noninterpretable); image noise is scaled as 1 to 5 (1 none, 2 minimal, 3 mild, 4 moderate, 5 severe); image artifacts is scaled as 1 to 4 (1 indicating none, 2 mild, 3 moderate, 4 severe); level of acceptance is rated as 1 to 3 (1 completely, 2 partially, 3 not acceptable).bKappa value denotes the agreement of image scoring between reader 1 and reader 2.* denotes PImage Quality of the TNE and VNE Images.