Combinations

ROI size

Chi-square value

P-value

(Mean & entropy) vs. (SD & entropy)

7 × 7

0.148

0.700

9 × 9

2.405

0.121

11 × 11

7.037

0.008*

(SD & entropy) vs. (SD & mean)

7 × 7

1.047

0.306

9 × 9

0.148

0.700

11 × 11

4.348

0.037*

(Mean & entropy) vs. (SD & mean)

7 × 7

0.421

0.516

9 × 9

1.418

0.233

11 × 11

0.385

0.535