Table 6. Comparison of the diagnostic efficacy of CT for HCC tumors of various liver parenchymal fibrosis stages (tumor size >2 cm).
| Fibrosis 4 | Fibrosis 0–3 | P value | |
| (cirrhosis) | (non-cirrhosis) | ||
| Sensitivity | 187/206 (90.8%) | 239/274 (87.2%) | 0.223 |
| Specificity | 5/10 (50%) | 107/135 (79.3%) | 0.048 |
| PPV | 187/192 (97.4%) | 239/267 (89.5%) | 0.001 |
| NPV | 5/24 (20.8%) | 107/142 (75.4%) | <0.001 |
| Accuracy | 192/216 (88.9%) | 346/409 (84.6%) | 0.140 |
| Fibrosis 3–4 | Fibrosis 0–2 | ||
| Sensitivity | 236/262 (90.1%) | 166/192 (86.5%) | 0.232 |
| Specificity | 7/13 (53.8%) | 13/16 (81.3%) | 0.226 |
| PPV | 236/242 (97.5%) | 166/169 (98.2%) | 0.742 |
| NPV | 7/33 (21.2%) | 13/39 (33.3%) | 0.253 |
| Accuracy | 243/275 (88.4%) | 179/208 (86.1%) | 0.450 |
| Fibrosis 2–4 | Fibrosis 0–1 | ||
| Sensitivity | 267/298 (89.6%) | 135/156 (86.5%) | 0.331 |
| Specificity | 7/13 (53.8%) | 13/16 (81.3%) | 0.226 |
| PPV | 267/273 (97.8%) | 135/138 (97.8%) | 1.000 |
| NPV | 7/38 (18.4%) | 13/34 (38.2%) | 0.061 |
| Accuracy | 274/311 (88.1%) | 148/172 (86%) | 0.515 |
| Fibrosis 1–4 | Fibrosis 0 | ||
| Sensitivity | 328/369 (88.9%) | 74/85 (87.1%) | 0.633 |
| Specificity | 10/18 (55.6%) | 10/11 (90.9%) | 0.096 |
| PPV | 328/336 (97.6%) | 74/75 (98.7%) | 1.000 |
| NPV | 10/51 (19.6%) | 10/21 (47.6%) | 0.016 |
| Accuracy | 338/387 (87.3%) | 84/96 (87.5%) | 0.966 |
PPV, positive predictive value; NPV, negative predictive value