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Table 2 Positive predictive value and negative predictive value of different cutoff values

From: A novel multi-epitope recombined protein for diagnosis of human brucellosis

Cutoff value

Positive

Negative

PPV (%)

NPV (%)

TP

FN

TN

FP

≥0.3865a

135

11

93

9

93.75

89.42

≥0.5730b

127

19

82

20

80.89

81.19

  1. TP, true positives; TN, true negatives; FP, false positives; FN, false negatives; PPV, positive predictive value (TP/TP + FP) × 100; NPV, negative predictive value (TN/TN + FN) × 100
  2. acutoff value is calculated by rOMP ELISA
  3. bcutoff value is calculated by antigen of SAT ELISA
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BMC Infectious Diseases

ISSN: 1471-2334

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