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Open Access Highly Accessed Research article

Performance of Paracheck™-Pf, SD Bioline malaria Ag-Pf and SD Bioline malaria Ag-Pf/pan for diagnosis of falciparum malaria in the Central African Republic

Djibrine Djallé, Jean Chrysostome Gody, Jean Methode Moyen, Gaspard Tekpa, Julienne Ipero, Nestor Madji, Sébastien Breurec and Alexandre Manirakiza*

BMC Infectious Diseases 2014, 14:109  doi:10.1186/1471-2334-14-109

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sample size calculation

NSENDA NKONGOLO JONAS   (2014-03-07 12:22)  Universit�� de Mbujimayi



Sir;

I read with interest the article published in your journal with the title "Performance of Paracheck-Pf ™, SD Bioline Malaria Ag-Pf and SD Bioline malaria Ag-Pf/pan for diagnosis of falciparum malaria in the Central African Republic . "

However I make a few comments:

  • which formula is used for the  sample size calculation.
  • the number of samples in each slice of parasitemia for each test is not reported.
  • a table comparing the pairwise tests would be more appropriate to mount a significant difference or not according to the threshold.
From this comments, I thing the conclusion can be reconsidered.

Regards

Competing interests

None declared

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