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Table 2 Image quality criteria and scoring scale applied to compare the reference image with the other acquired images

From: Effective dose and image optimisation of lateral lumbar spine radiography: a phantom study

In comparison to the reference imageScoring scale
1.How would you rate the sharpness of the superior endplates of each lumbar vertebra on this radiograph?-2 = much worse
-1 = worse
0 = equal
+ 1 = better
+ 2 = much better
2.How would you rate the sharpness of the inferior endplates of each lumbar vertebra on this radiograph?
3.How would you rate the outline of each intervertebral disc space on this radiograph?
4.Overall, how would you rate the amount of image noise on this radiograph?
5.Overall, how would you rate the image contrast of this radiograph?
6.Overall, how would you rate the image quality of this radiograph?