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Table 3 Sensitivity and specificity of histology

From: Immunohistochemical analysis of undifferentiated and poorly-differentiated head and neck malignancies at a tertiary hospital in Nigeria

  Carcinomas Sarcomas Lymphomas Neuroendocrine carcinomas
Sensitivity 0.971 0.545 0.285 0.142
Specificity 0.477 0.947 0.984 0.986
PPV 0.596 0.800 0.800 0.500
NPV 0.954 0.843 0.864 0.922
Accuracy 0.696 0.835 0.860 0.911
Kappa statistics value 0.42 0.54 0.42 0.18
  1. PPV - positive predictive value, NPV - negative predictive value