Clinical Study
CEUS Helps to Rerate Small Breast Tumors of BI-RADS Category 3 and Category 4
Table 6
Ultrasound diagnostic study of BI-RADS classification in US and CEUS.
| | | Sensitivity % | Specificity % | Positive likelihood ratio | Negative likelihood ratio | Youden index % | Accuracy % | PPV % | NPV % |
| | BI-RADS category | 70.0 | 92.1 | 8.98 | 0.33 | 0.62 | 86.0 | 77.8 | 88.8 | | Range of enhancement | 80.0 | 92.1 | 10.27 | 0.22 | 0.72 | 88.8 | 80.0 | 92.2 | | Type of enhancement | 80.0 | 80.5 | 4.11 | 0.25 | 0.61 | 80.4 | 61.5 | 91.2 | | Strengthening of enhancement | 90.0 | 87.4 | 7.12 | 0.11 | 0.77 | 88.0 | 71.1 | 96.2 | | Enhancement pattern | 90.0 | 83.1 | 5.33 | 0.12 | 0.73 | 85.1 | 67.5 | 95.5 |
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PPV: positive predictive value and NPV: negative predictive value.
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