3.
Differences in texture features in first-order and distribution statistics category between each pair of groups of preinvasive lesions, MIAs and IPAs
| Texture features | P value | ||
| Preinvasive lesionsvs. MIAs | Preinvasive lesions vs. IPAs | MIAs vs.
IPAs |
|
| MIAs, minimally invasive adenocarcinomas; IPAs, invasive pulmonary adenocarcinomas. P value was calculated with Kruskal-Wallis rank sum test followed by Dunn-Bonferroni post hoc test. | |||
| Gray levels | >0.05 | 0.001 | <0.001 |
| Voxel count | >0.05 | <0.001 | <0.001 |
| Energy | >0.05 | 0.004 | <0.001 |
| Entropy | >0.05 | 0.003 | <0.001 |
| Minimum intensity | >0.05 | >0.05 | >0.05 |
| Maximum intensity | >0.05 | 0.028 | >0.05 |
| Mean intensity | >0.05 | 0.034 | >0.05 |
| Median intensity | >0.05 | >0.05 | >0.05 |
| Range | >0.05 | >0.05 | >0.05 |
| Mean deviation | >0.05 | 0.008 | >0.05 |
| Root mean square | >0.05 | >0.05 | >0.05 |
| Standard deviation | >0.05 | 0.007 | >0.05 |
| Skewness | >0.05 | >0.05 | >0.05 |
| Kurtosis | >0.05 | >0.05 | >0.05 |
| Variance | >0.05 | 0.007 | >0.05 |
| Uniformity | >0.05 | 0.002 | <0.001 |