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Table 1 Positive (PPV) and negative (NPV) predictive values of the final algorithm for the identification of relapse in multiple sclerosis

From: Intra-database validation of case-identifying algorithms using reconstituted electronic health records from healthcare claims data

   Validation committee   
Relapse + Relapse - Total
Algorithm Relapse + 99 5 104 PPV = 95% (95%CI = [91; 99])
Relapse - 0 96 96 NPV = 100%
  Total 99 101 200