Table 2. Sensitivity, Specificity, and Accuracy of the morphologic features of hepatocellular carcinoma on noncontrast imaging.
| Sensitivity (%) | Specificity (%) | Accuracy (%) | |
| Reader 1 | |||
| Pseudocapsule | |||
| T1WI/T2WI | 32 (13/41) | 33 (6/18) | 32 (19/59) |
| T2*WI | 71 (29/41) | 50 (9/18) | 64 (38/59) |
| SWI | 78 (32/41) | 67 (12/18) | 75 (44/59) |
| Mosaic pattern | |||
| T1WI/T2WI | (10/25) | (15/24) | (25/59) |
| T2*WI | (16/25) | (16/25) | (32/59) |
| SWI | 25/25 | 28/34 | (43/59) |
| Hemorrhage | |||
| T1WI/T2WI | 14 (6/43) | 55 (10/18) | 27 (16/59) |
| T2*WI | 91 (39/43) | 61 (11/18) | 64 (38/59) |
| SWI | 93 (40/43) | 78 (14/18) | 92 (54/59) |
| Venous invasion | |||
| T1WI/T2WI | 23 (7/31) | 64 (18/28) | 42 (25/59) |
| T2*WI | 71 (22/31) | 75 (25/28) | 73 (43/59) |
| SWI | 90 (28/31) | (25/28) | 73 (43/59) |
| Reader 2 | |||
| Pseudocapsule | |||
| T1WI/T2WI | 27 (11/41) | 50 (9/18) | 34 (20/59) |
| T2*WI | 61 (25/41) | 67 (11/18) | 61 (36/59) |
| SWI | 88 (36/41) | 67 (12/18) | 81 (48/59) |
| Mosaic pattern | |||
| T1WI/T2WI | (16/25) | (13/25) | (29/59) |
| T2*WI | (20/25) | (18/25) | (38/59) |
| SWI | 25/25 | (26/34) | (41/59) |
| Hemorrhage | |||
| T1WI/T2WI | 19 (8/43) | 33 (6/18) | 24 (14/59) |
| T2WI | 86 (37/43) | 39 (7/18) | 73 (43/59) |
| SWI | 98 (42/43) | 67 (12/18) | 92 (54/59) |
| Venous invasion | |||
| T1WI/T2WI | 23 (7/31) | 57 (16/28) | 39 (23/59) |
| T2*WI | 84 (26/31) | 61 (17/28) | 73 (43/59) |
| SWI | 90 (28/31) | 75 (21/28) | 83 (49/59) |