Table 2.
Diagnostic performances of B-mode ultrasound, shear wave elastography (SWE), and combined B-mode ultrasound with SWE
| B-mode | SWE | Combined | Pa | Pb | Pc | |
| Sensitivity (%) | 97.2 | 71.1 | 88.7 | <0.001 | 0.005 | <0.001 |
| Specificity (%) | 17.1 | 72.4 | 69.6 | <0.001 | <0.001 | 0.461 |
| PPV (%) | 36.8 | 56.1 | 59.2 | <0.001 | <0.001 | 0.543 |
| NPV (%) | 92.5 | 83.5 | 92.6 | 0.096 | 0.979 | 0.003 |
| Accuracy (%) | 43.7 | 72.0 | 75.9 | <0.001 | <0.001 | 0.186 |
NPV, negative predictive value; PPV, positive predictive value.
B-mode vs SWE
B-mode vs Combined
SWE vs Combined