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Comparison of SEN, SPE, PPV and NPV among groups.
| Detection indicators | US (%) | MRI (%) | US combined with MRI (%) | χ2 value | P-value |
|---|---|---|---|---|---|
| SEN | 76.43 | 89.29a | 92.14a | 16.25 | <0.001 |
| SPE | 78.75 | 63.75a | 83.75b | 9.349 | <0.001 |
| PPV | 86.29 | 81.17 | 90.85 | 5.746 | 0.057 |
| NPV | 65.63 | 77.27 | 85.90a | 9.709 | 0.008 |
| YI | 55.18 | 53.04 | 75.89 | – | – |
P<0.05 compared with US.
P<0.05 compared with MRI.
