From: Characterizing mammographic images by using generic texture features
Training data set | Validation data set | ||||||
---|---|---|---|---|---|---|---|
Unadjusted | Adjusted for age and BMI | Adjusted for age, BMI, parity, family history, and age at FTP | |||||
Texture features included | AUC | AUC | OR (95% CI) | AUC | OR (95% CI) | AUC | OR (95% CI) |
Noneb | - | - | - | 0.60 | - | 0.65 | - |
PMD | 0.53 | 0.51 | 1.05 (0.89-1.23) | 0.61 | 1.24 (1.00-1.55) | 0.66 | 1.19 (0.93-1.53) |
Moment-based features (n = 8, group 1) | 0.66 | 0.58 | 1.46 (1.22-1.73) | 0.62 | 1.43 (1.19-1.72) | 0.67 | 1.41 (1.14-1.75) |
Form-based features (n = 16) | 0.67 | 0.59 | 1.47 (1.23-1.74) | 0.64 | 1.44 (1.20-1.74) | 0.67 | 1.49 (1.21-1.84) |
Statistical features (n = 46) | 0.82 | 0.72 | 2.40 (1.98-2.90) | 0.73 | 2.28 (1.87-2.78) | 0.74 | 2.36 (1.88-2.96) |
Structural features (n = 23) | 0.77 | 0.65 | 1.64 (1.38-1.95) | 0.68 | 1.60 (1.34-1.92) | 0.71 | 1.70 (1.39-2.08) |
Spectral features (n = 6) | 0.71 | 0.65 | 1.67 (1.40-1.99) | 0.67 | 1.57 (1.30-1.90) | 0.68 | 1.60 (1.29-1.98) |
Selected features across all feature groups (final model; n = 46) | 0.85 | 0.75 | 2.65 (2.18-3.21) | 0.75 | 2.55 (2.08-3.11) | 0.79 | 2.88 (2.28-3.65) |
Selected features across all feature groups + PMD | 0.85 | 0.75 | 2.63 (2.17-3.18) | 0.75 | 2.52 (2.06-3.08) | 0.79 | 2.86 (2.26-3.62) |