Table 5 Diagnostic performances of texture features to predict COD
Texture features (GLCM) | Threshold criterion | TP | FP | FN | TN | Sensitivity (%) (95% CI) | Specificity (%) (95% CI) | Accuracy (95% CI) | AUC (95% CI) |
|---|---|---|---|---|---|---|---|---|---|
S(4,4) Sum of Average | ≥0.610 | 23 | 1 | 2 | 24 | 0.92 (0.876, 0.947) | 0.96 (0.921, 0.995) | 0.94 (0.912, 0.957) | 0.9792 (0.965, 0.993) |
S(1,0) Sum of Entropy | ≥0.270 | 24 | 4 | 1 | 21 | 0.96 (0.889, 0.988) | 0.84 (0.775, 0.937) | 0.9 (0.865, 0.93) | 0.9712 (0.956, 0.986) |
S(0,1) Sum of Entropy | ≥0.300 | 24 | 5 | 1 | 20 | 0.96 (0.825, 1.00) | 0.8 (0.721, 0.952) | 0.88 (0.843, 0.915) | 0.96 (0.94, 0.979) |
S(1,0) Entropy | ≥0.560 | 23 | 2 | 2 | 23 | 0.92 (0.851, 0.948) | 0.92 (0.884, 0.997) | 0.92 (0.889, 0.95) | 0.9696 (0.949, 0.99) |
S(0,1) Entropy | ≥0.500 | 23 | 2 | 2 | 23 | 0.92 (0.875, 0.949) | 0.92 (0.868, 0.97) | 0.92 (0.886, 0.945) | 0.9616 (0.937, 0.987) |
S(2,0) Difference of Entropy | ≥0.460 | 24 | 1 | 1 | 24 | 0.96 (0.944, 0.956) | 0.96 (0.926, 0.994) | 0.96 (0.939, 0.972) | 0.9632 (0.932, 0.994) |
S(2,2) Difference of Entropy | ≥0.530 | 24 | 1 | 1 | 24 | 0.96 (0.944, 0.956) | 0.96 (0.926, 0.994) | 0.96 (0.939, 0.972) | 0.9648 (0.935, 0.995) |
S(3,0) Difference of Entropy | ≥0.430 | 24 | 1 | 1 | 24 | 0.96 (0.944, 0.956) | 0.96 (0.926, 0.994) | 0.96 (0.939, 0.972) | 0.9696 (0.944, 0.996) |
S(3,3) Difference of Entropy | ≥0.580 | 24 | 1 | 1 | 24 | 0.96 (0.944, 0.956) | 0.96 (0.926, 0.994) | 0.96 (0.939, 0.972) | 0.9664 (0.938, 0.995) |
S(4,0) Difference of Entropy | ≥0.570 | 24 | 1 | 1 | 24 | 0.96 (0.944, 0.956) | 0.96 (0.926, 0.994) | 0.96 (0.939, 0.972) | 0.9712 (0.947, 0.996) |