Table 2 Diagnostic Performance of the clinical factors model, the radiomics signature and the radiomics nomogram for detection of focal nodular hyperplasia
Model | Training set (n = 119) | Validation set (n = 37) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Cutoff | AUC (95% CI) | Sensitivity* | Specificity* | Accuracy* | Cutoff | AUC (95% CI) | Sensitivity* | Specificity* | Accuracy* | |
Clinical factors model | −1.513 | 0.799(0.719,0.879) | 83.33(35/42) | 70.13(54/77) | 74.79(89/119) | −0.434 | 0.769(0.590,0.949) | 69.23(9/13) | 87.50(21/24) | 81.08(30/37) |
Radiomics signature | 0.543 | 0.964(0.934,0.995) | 88.10(37/42) | 94.81(73/77) | 92.44(110/119) | −0.306 | 0.865(0.725,1.000) | 76.92(10/13) | 91.67(22/24) | 86.49(32/37) |
Radiomics nomogram | −1.405 | 0.979(0.959,0.998) | 92.86(39/42) | 92.21(71/77) | 92.44(110/119) | −2.795 | 0.917(0.800,1.000) | 92.31(12/13) | 87.50(21/24) | 89.19(33/37) |