Table 7.

Correlation and Significance of Image Quality on Median Retest Reliability: Intervisit Group

Image Quality Metric	R 2	P
Fractal dimension	0.27	0.002
Contrast	0.37	<0.001
Edge acutance	0.07	0.13
Sharpness	0.15	0.02
Colorfulness	0.02	0.40
Contrast-to-noise ratio	0.03	0.73
Image entropy	0.04	0.25