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Table 2 Efficiency of the triple test (TT) in patients with extra-intestinal symptoms, suspected of having CD

From: Omitting duodenal biopsy in children with suspected celiac disease and extra-intestinal symptoms

  Positive biopsy n = 97 Negative biopsy n = 8  
Positive TT (n = 41) True positive 41 False positive 0 Positive predictive value 100%
Negative TT (n = 64) False negative 56 True negative 8 Negative predictive value 12.5%
  Sensitivity 42.3% Specificity 100%