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Table 3 Performance of the SeroCP IgA ELISA test before and after optimization

From: Evaluation and optimization of a commercial enzyme linked immunosorbent assay for detection of Chlamydophila pneumoniaeIgA antibodies

 

Before optimization

After optimization

MIF/ELISA

Total

Study

group

Control

group

Total

Study

group

Control

group

Sensitivity (%)

97.4

97.1

100

84.4

83.8

88.9

Specificity (%)

62.4

30.8

71.4

87.2

69.2

92.3

PPV (%)

63.0

78.6

25.7

81.3

87.7

53.3

NPV (%)

97.3

80.0

100

89.5

62.1

98.8

  1. PPV: Positive predictive value, NPV: Negative predictive value