Table 2.
Diagnostic efficacy of CEUS features and CEUS LI-RADS for HCC and OM [% (N)].
| Group | Sen | Spe | PPV | NPV | DCR | |
|---|---|---|---|---|---|---|
| non- rim APHE | HCC | 95.1 (58/61) | 63.2 (24/38) | 80.6 (58/72) | 88.9 (24/27) | 82.8 (82/99) |
| rim APHE | OM | 57.9 (22/38) | 96.7 (59/61) | 91.7 (22/24) | 78.7 (59/75) | 81.8 (81/99) |
| mild wash-out | HCC | 88.5 (54/61) | 65.8 (25/28) | 80.6 (54/67) | 78.1 (25/32) | 79.8 (79/99) |
| marked wash-out | OM | 65.8 (25/38) | 95.1 (58/61) | 89.3 (25/28) | 81.7 (58/71) | 83.8 (83/99) |
| late wash-out | HCC | 75.4 (46/61) | 84.2 (32/38) | 88.5 (46/52) | 68.1 (32/47) | 78.8 (78/99) |
| early wash-out | OM | 84.2 (32/38) | 82.0 (50/61) | 74.4 (32/43) | 89.3 (50/56) | 82.8 (82/99) |
| LR-4 | HCC | 21.3 (13/61) | 97.4 (38/39) | 100.0 (13/13) | 44.2 (38/86) | 51.5 (51/99) |
| LR-5 | HCC | 62.3 (38/61) | 92.1 (35/38) | 92.7 (38/41) | 60.3 (35/58) | 73.7 (73/99) |
| LR-M | OM | 92.1 (35/38) | 83.6 (51/61) | 77.8 (35/45) | 94.4 (51/54) | 86.9 (86/99) |
HCC = hepatocellular carcinoma, OM = other primary malignancies, APHE = arterial phase hyper-enhancement. Sen = Sensitivity, Spe = Specificity, PPV = Positive predictive value, NPV = Negative predictive value, DCR = diagnostic compliance rate.