Table 2. ANOVA according to fibrosis grades to compare cCV, skewness, and kurtosis from each set of ROI and the set of averaged values obtained from each set, respectively.
| Parameter | SetROI | Fibrosis grade | P value | ||||
| 0 | 1 | 2 | 3 | 4 | |||
| cCV | Set1 | 2.14 | 3.06 | 3.35 | 3.30 | 5.45 | <0.001 |
| Set2 | 2.10 | 3.38 | 3.50 | 3.40 | 5.27 | <0.001 | |
| Set3 | 2.30 | 3.30 | 3.95 | 3.82 | 5.77 | <0.001 | |
| Set4 | 2.23 | 3.36 | 4.27 | 3.69 | 5.59 | <0.001 | |
| Setaverage | 2.19 | 3.28 | 3.77 | 3.55 | 5.52 | <0.001 | |
| *Fibrosis grades with difference forsetaverage | 2,3,4 | 4 | 4 | 4 | 0,1,2,3 | ||
| Skewness | Set1 | −0.17 | −0.05 | −0.04 | −0.01 | −0.02 | 0.775 |
| Set2 | 0.04 | −0.02 | −0.19 | −0.07 | −0.01 | 0.360 | |
| Set3 | −0.03 | 0.08 | 0.05 | −0.17 | 0.05 | 0.178 | |
| Set4 | −0.12 | −0.06 | 0.04 | 0.01 | 0.06 | 0.635 | |
| Setaverage | −0.07 | −0.06 | −0.04 | −0.06 | 0.02 | 0.518 | |
| Kurtosis | Set1 | 2.94 | 3.30 | 3.12 | 3.11 | 3.00 | 0.517 |
| Set2 | 3.12 | 3.56 | 2.88 | 3.20 | 3.16 | 0.393 | |
| Set3 | 2.90 | 3.17 | 2.88 | 3.14 | 2.96 | 0.317 | |
| Set4 | 3.22 | 3.13 | 3.25 | 2.88 | 3.26 | 0.597 | |
| Setaverage | 3.05 | 3.29 | 3.03 | 3.08 | 3.09 | 0.353 | |
*Multiple comparison test (LSD) was performed on the set of averaged value if P<0.05 by ANOVA.