Table 2. Results of Kruskal-Wallis analysis on survey responses.

	Grader 1	Grader 2	Grader 3
Resolution	0.587 (2.826)	0.047 (9.647)	0.887 (1.147)
Detail	0.533 (3.148)	0.022 (11.421)	0.897 (1.085)
Image Quality	0.623 (2.619)	0.608 (2.706)	0.828 (1.493)
Diagnostic Confidence	0.726 (2.051)	0.045 (9.723)	0.968 (0.558)

p-value (H statistic)

Four degrees of freedom