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Table 4 Kappa statistics of ABVS, UE, and ABVS + UE results with pathological findings

From: Combined use of the automated breast volume scanner and the US elastography for the differentiation of benign from malignant lesions of the breast

Results   Pathology
   Malignant Benign Total
ABVS ( κ= 0.81, 95%CI: 0.64-0.98) Malignant 28 4 32
  Benign 0 14 14
  total 28 18 46
UE ( κ= 0.77, 95%CI: 0.58-0.96) Malignant 27 4 31
  Benign 1 14 15
  total 28 18 46
ABVS + UE ( κ= 0.90,95% CI: 0.77-1.00) Malignant 30 2 32
  Benign 0 14 14
  Total 30 16 46
  1. The inter-rater reliability coefficients of ABVS, UE and ABVS + UE were calculated.