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| Characteristics | B-mode US | CE-US | P value |
|---|---|---|---|
| Sensitivity | 68/68 (100%) | 55/59 (93.2%) | |
| specificity | 54/60 (90%) | 50/69 (72.5%) | |
| Accuracy | 122/128 (95.3%) | 105/128 (82.0%) | |
| PPV | 68/74 (91.9%) | 55/74 (74.3%) | |
| NPV | 54/54 (100%) | 50/54 (92.6%) | |
| – | – | – | 0.045 |
US, ultrasonography; CE-US, contrast-enhanced ultrasonography; PC, pancreatic cancer.
