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Table 5 The sensitivity, specificity, accuracy, false negative rate, negative predictive value, and positive predictive value of frozen section analysis compared to permanent section analysis for the finding of a positive sentinel lymph node for invasive lobular carcinomas and invasive ductal carcinomas

From: Comparison of intraoperative frozen section analysis for sentinel lymph node biopsy during breast cancer surgery for invasive lobular carcinoma and invasive ductal carcinoma

  ILC IDC Total cases P-value
Sensitivity 67% 75% 70% 0.385
Specificity 100% 100% 100% ------
Accuracy 86% 92% 89% 0.172
False negative rate 33% 25% 30% 0.385
Negative predictive value 81% 89% 85% 0.158
Positive predictive value 100% 100% 100% ------
  1. ILC, invasive lobular carcinoma; IDC, invasive ductal carcinoma