Table 1.
Statistical results from the GC–IMS analysis (95% confidence intervals are in brackets). Positive predictive value (PPV); negative predictive value (NPV).
| Comparison | Classifier | AUC | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|---|
| HCC vs. Fibrosis | Random Forest | 0.97 (0.91–1.00) |
0.43 (0.13–0.75) |
0.95 (0.86–1.00) |
0.75 (0.33–1.00) |
0.83 (0.68–0.95) |
| HCC vs. Non-Fibrosis |
Random Forest | 0.62 (0.48–0.76) |
0.60 (0.41–0.78) |
0.74 (0.61–0.87) |
0.60 (0.42–0.78) |
0.74 (0.61–0.88) |
| Fibrosis vs. Non-Fibrosis | Linear Regression |
0.63 (0.36–0.89) |
0.29 (0.00–0.60) |
0.90 (0.81–0.97) |
0.40 (0.00–0.83) |
0.85 (0.74–0.94) |