Table 3.
Comparison of ADC values and diagnostic performance
| With DLR (n = 182) | Without DLR (n = 182) | p-value | ||
|---|---|---|---|---|
| ADC (×10-3 mm2/s) | All lesions | 1.50 ± 0.56 | 1.55 ± 0.55 | < 0.001 |
| Malignant lesions | 1.18 ± 0.25 | 1.25 ± 0.24 | < 0.001 | |
| HCC (n = 51) | 1.15 ± 0.24 | 1.22 ± 0.24 | < 0.001 | |
| CCA (n = 19) | 1.21 ± 0.25 | 1.28 ± 0.27 | 0.001 | |
| LM (n = 30) | 1.20 ± 0.26 | 1.27 ± 0.22 | 0.051 | |
| Benign lesions | 1.90 ± 0.58 | 1.92 ± 0.58 | < 0.001 | |
| Abscess (n = 12) | 1.46 ± 0.19 | 1.50 ± 0.21 | 0.032 | |
| FNH (n = 18) | 1.53 ± 0.21 | 1.57 ± 0.21 | 0.001 | |
| Adenoma (n = 8) | 1.53 ± 0.25 | 1.56 ± 0.25 | 0.001 | |
| HH (n = 38) | 2.08 ± 0.44 | 2.10 ± 0.44 | 0.007 | |
| Cyst (n = 6) | 3.22 ± 0.41 | 3.26 ± 0.41 | 0.047 | |
| p-value (malignant vs. benign) | < 0.001 | < 0.001 | / | |
Data are shown as mean values ± deviation
ADC apparent diffusion coefficient, DL deep learning reconstruction, HCC hepatocellular carcinoma, CCA cholangiocarcinoma, LM liver metastases, FNH focal nodular hyperplasia, HH hepatic hemangioma, AUC area under the curve, CI confidence interval, PPV positive predictive values, NPV negative predictive values