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Table 4 Confusion matrix for the classification of primary Sjögren Syndrome using random forest. pSS = primary Sjögren Syndrome, Tp = true positive, Fp = false positive, Tn = true negative, Fn = false negative

From: Detection of primary Sjögren’s syndrome in primary care: developing a classification model with the use of routine healthcare data and machine learning

  Secondary care  
  Non-pSS pSS Total
Primary Care Non-pSS 90,513 [Tn] 53 [Fn] 90,566
pSS 25,633 [Fp] 124 [Tn] 25,757
  Total 116,146 177 116,323