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Table 2 Reliability at 15′ of rapid immunochromatographic test comparing whole blood/POC and serum/laboratory

From: Accuracy and reliability of an NS1 rapid immunochromatographic test for DENV-1 diagnosis at point of care and in the laboratory

 

Kappa

Ppos

Pneg

PABAK

Inter-observera (n = 135)

0.81

94%

86.7%

0.83

(95% CI)

(0.73–0.88)

(90.6–97.3)

(79.6–93.8)

 

Intra-observerb (n = 137)

0.82

94.2%

87.6%

0.84

(95% CI)

(0.75–0.89)

(90.9–97.5)

(80.8–94.5)

 
  1. Kappa simple kappa, Ppos positive proportion, Pneg negative proportion, PABAK prevalence-adjusted bias-adjusted kappa, 95% CI confidence interval, n absolute number
  2. ainter-observer: nurse (blood/POC) and biologist (serum/laboratory)
  3. bintra-observer: nurse (blood/POC and serum/laboratory)
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BMC Infectious Diseases

ISSN: 1471-2334

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