Clinical Study

Diagnostic Performance and Additional Value of Elastosonography in Focal Breast Lesions: Statistical Correlation between Size-Dependant Strain Index Measurements, Multimodality-BI-RADS Score, and Histopathology in a Clinical Routine Setting

Table 6

Accuracy calculations for BI-RADS 3 lesions.

TP1FN2TN3FP4Sens.5Spec.6Acc.7

2026210.9290.933

PPV850.00%CI 95%8.30–91.70%PLR1014CI 95%123.68–53.23
NPV9100.00%CI 95%86.65–100.00%NLR110

TP: true positive; 2FN: false negative; 3TN: true negative; 4FP: false positive; 5Sens.: sensitivity; 6Spec.: specificity; 7Acc.: accuracy; 8PPV: positive predictive value; 9NPV: negative predictive value; 10PLR: positive likelihood ratio; 11NLR: negative likelihood ratio; 12CI: confidence interval.