Table 2.
Texture feature descriptives and p values for post hoc Bonferroni correction for each feature
| Feature | Mean | Standard deviation | 95% confidence interval | p value after | |
|---|---|---|---|---|---|
| Lower | Upper | Bonferroni correction | |||
| Variance | 187.03 | 74.15 | 185.57 | 188.48 | < 0.001 |
| Skewness | 0.22 | 1.0 | 0.20 | 0.24 | < 0.001 |
| Kurtosis | 0.34 | 1.76 | 0.31 | 0.38 | < 0.001 |
| Entropy | 14.76 | 10.93 | 14.55 | 14.97 | < 0.001 |
| Contrast | 0.93 | 0.05 | 0.93 | 0.93 | < 0.001 |
| Correlation | 0.01 | 0.01 | 0.06 | 0.06 | 0.002 |
| Energy | 0.42 | 0.08 | 0.41 | 0.42 | < 0.001 |
| Homogeneity | 16,193 | 0.30 | 5.44 | 5.45 | 0.01 |
| SRE | 0.89 | 0.05 | 0.89 | 0.89 | 1.0 * |
| LRE | 1.77 | 1.66 | 1.74 | 1.81 | 0.1 ** |
| GLN | 468.09 | 176.12 | 464.64 | 471.54 | < 0.001 |
| RLN | 9,432.94 | 4,143.13 | 9,351.72 | 9,514.16 | < 0.001 |
| RP | 0.85 | 0.62 | 0.85 | 0.85 | 0.9 * |
| LGRE | 0 | 0 | 0 | 0.4 ** | |
| HGRE | 1,156.60 | 34.88 | 1,155.92 | 1,157.29 | 1.0 |
| SRLGE | 0 | 0 | 0 | 0.006 | |
| SRHGE | 1,026.89 | 52.03 | 1,025.87 | 1,027.90 | 1.0 * |
| LRLGE | 0.03 | 0.12 | 0.02 | 0.03 | 0.6 |
| LRHGE | 2,087.82 | 1,428.11 | 2,059.82 | 2,115.81 | 0.4 |
GLN Grey-level nonuniformity, HGRE High grey-level run emphasis, LGRE Low grey-level run emphasis, LRE Long-run emphasis, LRHGE Long-run high-grey-level emphasis, LRLGE Long-run low-grey-level emphasis, RLN Run-length nonuniformity, RP Run-percentage, SRE Short-run emphasis, SRHGE Short-run high-grey-level emphasis, SRLGE Short-run low-grey-level emphasis
*Only valid for level c compared to level d, all other p values being < 0.001
**Only valid for level a compared to level b, all other p values being < 0.001