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Table 1 FPR, FNR, sensitivity, specificity, positive and negative predictive value as well accuracy of the FNAC test

From: Ultrasound guided needle biopsy of axilla to evaluate nodal metastasis after preoperative systemic therapy in cohort of 106 breast cancers enriched with BRCA1/2 pathogenic variant carriers

  Overall BRCA Non BRCA TN HER2+ Luminal
FPR% 8 (3/39) 0 (0/7) 9 (3/32) 0 (0/8) 0 (0/3) 11 (3/28)
FNR% 43 (29/67) 18 (2/11) 48 (27/56) 31 (5/16) 27 (4/15) 56 (20/36)
Sensitivity% 55.38 77.78 51.79 61.54 42.86 55.56
Specificity% 92.68 100 90.62 100 100 84.21
Positive Predictive Value% 92.31 100 90.63 100 100 89.29
Negative Predictive Value% 56.72 81.82 51.79 68.75 73.33 44.44
Accuracy% 69.81 88.89 65.91 79.17 77.78 64.06