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Table 2 Agreement between expert malaria microscopy and PfHRP2 RDT

From: Accuracy of a Plasmodium falciparum specific histidine-rich protein 2 rapid diagnostic test in the context of the presence of non-malaria fevers, prior anti-malarial use and seasonal malaria transmission

 

True positive n (%)

True negative n (%)

False positive n (%)

False negative n (%)

Whole year (N = 683)

334 (48.9)

202 (29.6)

141 (20.6)

6 (0.9)

Dry season (N = 344)

97 (28.2)

160 (46.5)

84 (24.4)

3 (0.9)

Rainy season (N = 339)

237 (69.9)

42 (12.4)

57 (16.8)

3 (0.9)

  1. Number of observed agreements: 536 (78.48% of the of the observation)
  2. Number of agreement expected by chance: 340.9 (49.91% of the observation)
  3. Kappa = 0.570
  4. SE of Kappa = 0.029
  5. 95% confidence interval: from 0.514 to 0.627
  6. The strength of agreement is considered to be “moderate”
  7. p < 0.00001
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Malaria Journal

ISSN: 1475-2875

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