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Table 3 Model description and performance

From: Discriminative potential of exhaled breath condensate biomarkers with respect to chronic obstructive pulmonary disease

 

MDA n = 293

Lactate n = 293

Lactate-MDA n = 293

Linear discriminant analysis p-value

0.03

 < 0.001

p < 0.001

Performance

 AUC

0.61

0.73

0.78

 Sensitivity (%)

57

57

62

 Specificity (%)

54

73

71

 Positive Predictive value (%)

9

14

14

 Negative Predictive value (%)

94

96

96

 Youden Index

0.11

0.30

0.33

 Prevalence (%)

7

7

7

 Error rate (%)

46

28

29

 Success rate (%)

54

72

71

  1. Abbreviations: AUC Area Under the Curve, MDA Malondialdehyde
  2. Linear discriminant analysis