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| Evaluation content | UBM diagnosis | Immersion ultrasonography diagnosis | χ2; P |
| Coincidental diagnosis rates | 32/56 (57.14%) | 56/56 (100%) | 30.55; 0.0000 |
| Misdiagnosis/missed diagnosis rates | 10/56 (17.86%) | 0/56 (0%) | 8.89; 0.0029 |
| Suspected diagnosis rates | 16/56 (28.57%) | 0/56 (0%) | 116.41; 0.0001 |
