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Table 2 Prediction results for the 109 strains in the eleventh “test dataset” using four French markers

From: Prediction of the origin of French Legionella pneumophila strains using a mixed-genome microarray

Test dataset

Origin of strains

Total

 

Clinical

Environmental

 

Prediction clinical

55

32

87

Prediction environmental

2

20

22

Total

57

52

109

Sensitivity

96%

  

Specificity

38%

  

PPV

63%

  

NPV

91%

  
  1. Abbreviation: PPV, positive predictive value ; NPV, negative predictive value.