Table 3.
Histological grade of hepatocellular carcinoma (after excluding steatosis lesions), the ADC histogram parameters, Pearson’s product moment correlation coefficient, and one-way ANOVA with the Tukey-Kramer post hoc test
| Well diff HCC | Mod diff HCC | Poor diff HCC | Pearson’s correlation coefficient | Pearson’s correlation coefficient P value | ANOVA Tukey-Kramer post hoc test | |
|---|---|---|---|---|---|---|
| Mean | 1071 ± 178 | 1004 ± 157 | 967 ± 176 | −0.164 | 0.281 | n.s. |
| Standard deviation | 147 ± 86 | 196 ± 89 | 243 ± 76 | 0.290 | 0.053 | n.s. |
| Minimum | 738 ± 322 | 421 ± 271 | 221 ± 110 | −0.469 | 0.001* | 0.006** |
| Maximum | 1588 ± 493 | 1787 ± 579 | 1808 ± 606 | 0.201 | 0.186 | n.s. |
| Mode | 582 ± 531 | 890 ± 281 | 799 ± 347 | 0.122 | 0.425 | n.s. |
| Skewness | 0.91 ± 1.40 | 0.54 ± 0.84 | 0.59 ± 0.94 | −0.073 | 0.633 | n.s. |
| Kurtosis | 5.39 ± 5.45 | 5.10 ± 3.38 | 5.50 ± 3.61 | 0.017 | 0.912 | n.s. |
| 5th percentile | 910 ± 187 | 734 ± 181 | 631 ± 158 | −0.382 | 0.010* | 0.03*** |
| 50th percentile | 1042 ± 163 | 997 ± 154 | 934 ± 160 | −0.192 | 0.205 | n.s. |
| 75th percentile | 1139 ± 222 | 1119 ± 173 | 1089 ± 199 | −0.078 | 0.610 | n.s. |
| 90th percentile | 1218 ± 217 | 1244 ± 219 | 1271 ± 260 | 0.065 | 0.672 | n.s. |
Well diff HCC: Well differentiated hepatocellular carcinoma
Mod diff HCC: Moderately differentiated hepatocellular carcinoma
Poor diff HCC: Poorly differentiated hepatocellular carcinoma
*, **, *** P < 0.05
n.s. no significant difference
**Tukey-Kramer post hoc test: Well diff HCC vs Mod diff HCC, P = 0.187; Well diff HCC vs Poor diff HCC, P = 0.045; Mod diff HCC vs Poor diff HCC, P = 0.008
***Tukey-Kramer post hoc test: Well diff HCC vs Mod diff HCC, P = 0.110; Well diff HCC vs Poor diff HCC, P = 0.023; Mod diff HCC vs Poor diff HCC, P = 0.317