Table 2 Textural differences between luminal types A and B. Calculated from pre- and postcontrast images
Precontrast | postcontrast | ||||
|---|---|---|---|---|---|
Texture feature | p-value | Higher value in group A/B | p-value | Higher value in group A/B | |
Texture difference between luminal A and luminal B | Angular second moment | 0.016 | luminal A | 0.212 | luminal A |
Contrast | 0.025 | luminal A | 0.322 | luminal A | |
Correlation | 0.007 | luminal B | 0.212 | luminal B | |
Sum of squares | 0.126 | luminal B | 0.527 | luminal B | |
Inverse different moment | 0.829 | luminal A | 0.118 | luminal B | |
Sum average | 0.093 | luminal B | 0.595 | luminal B | |
Sum variance | 0.003 | luminal B | 0.145 | luminal B | |
Sum entropy | 0.003 | luminal B | 0.145 | luminal B | |
Entropy | 0.021 | luminal B | 0.231 | luminal B | |
Difference variance | 0.007 | luminal A | 0.595 | luminal A | |
Difference entropy | 0.021 | luminal B | 0.118 | luminal B |