Table 1.
Histological grade of hepatocellular carcinoma, the parameters of ADC histograms, 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 | 1051 ± 203 | 999 ± 163 | 964 ± 167 | −0.141 | 0.301 | n.s. |
| Standard deviation | 180 ± 119 | 193 ± 86 | 227 ± 75 | 0.154 | 0.257 | n.s. |
| Minimum | 585 ± 388 | 411 ± 278 | 235 ± 102 | −0.340 | 0.010* | 0.009** |
| Maximum | 1641 ± 558 | 1718 ± 571 | 1955 ± 704 | 0.156 | 0.252 | n.s. |
| Mode | 710 ± 517 | 881 ± 311 | 829 ± 319 | 0.074 | 0.588 | n.s. |
| Skewness | 0.58 ± 1.27 | 0.36 ± 0.88 | 0.50 ± 1.00 | −0.011 | 0.936 | n.s. |
| Kurtosis | 4.75 ± 4.59 | 4.86 ± 3.14 | 5.37 ± 3.23 | 0.056 | 0.681 | n.s. |
| 5th percentile | 822 ± 216 | 718 ± 178 | 642 ± 147 | −0.268 | 0.046* | n.s. |
| 50th percentile | 1034 ± 198 | 992 ± 160 | 936 ± 154 | −0.170 | 0.211 | n.s. |
| 75th percentile | 1149 ± 258 | 1112 ± 181 | 1078 ± 187 | −0.104 | 0.448 | n.s. |
| 90th percentile | 1248 ± 293 | 1234 ± 223 | 1244 ± 244 | −0.002 | 0.990 | 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 = 0.521; Well diff HCC vs Poor diff HCC, P = 0.121; Mod diff HCC vs Poor diff HCC, P = 0.008