Table 4.
Histogram variables between early and advanced stage thymic epithelial tumours
| Variables | Early stage (n = 13) | Advanced stage (n = 24) | p-value |
| ADC histogram | |||
| ADCmean | 1.304 ± 0.053 | 1.177 ± 0.142 | 0.003 |
| ADCmedian | 1.256 ± 0.052 | 1.152 ± 0.140 | 0.012 |
| ADC10 | 0.825 ± 0.124 | 0.607 ± 0.107 | <0.001 |
| ADC90 | 1.889 ± 0.189 | 1.601 ± 0.193 | <0.001 |
| Skewness | 0.676 ± 0.327 | 0.881 ± 0.305 | 0.063 |
| Kurtosis | 4.039 ± 0.996 | 4.939 ± 1.061 | 0.015 |
| ADCHS-ROI | 1.229 ± 0.094 | 1.112 ± 0.175 | 0.028 |
Except p value, data are reported as mean ±standard deviation. ADC indicates apparent diffusion coefficient.
ADCn, nth percentile value of cumulative ADC histogram. The unit of ADC value is ×10−3 mm2 s–1.