Table 3.

Comparison of the mean image quality, motion artifacts, and diagnostic confidence

	Reader 1			Reader 2
	CS	CS DL	p value	CS	CS DL	p value
Diagnostic confidence	3.2 ± 0.1	3.8 ± 0.2	0.18	2.9 ± 0.2	3.7 ± 0.1	0.04
Motion artifacts	3.7 ± 0.4*	3.8 ± 0.4*	0.23	3.7 ± 0.4*	3.8 ± 0.5*	0.25
Overall image quality	2.8 ± 0.3	3.7 ± 0.1	0.02	2.7 ± 0.1	3.8 ± 0.3	0.01

Data are presented as means ± standard deviations

4-point Likert scale (4 = excellent; 1 = inadequate)

^*Motion artifacts graded with a 3-point scale: 2 = severe, 3 = little, 4 = none