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Table 4 Comparative indicators of the prototype LFT using bacterial isolation (B.I) and PCR

From: Development of a lateral flow test for the rapid detection of Avibacterium paragallinarum in chickens suspected of having infectious coryza

Prototype LFT

Comparative techniques

Sensitivity

Specificity

PPVa

NPVb

Kappa index

% (95% CI)

% (95% CI)

% (95% CI)

% (95% CI)

(95% CI)

B.I

100.0

50.0

65.4

100

0.49

(81.6–100)

(29.0–71.0)

(46.2–80.6)

(70.1–100.0)

(0.21–0.78)

PCR

83.9

100.0

100.0

44.4

0.54

(66.4–92.9)

(51.0–100.0)

(87.1–100.0)

(18.9–49.0)

(0.17–0.91)

  1. 95% CI Confidence interval at 95%
  2. aPositive predictive value
  3. bNegative predictive value
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BMC Veterinary Research

ISSN: 1746-6148

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