Table 3 Reproducibility (intra and inter-assay) of the rPSA D15-ELISA and rCag11-ELISA.

From: Development and validation of novel diagnostic recombinant surface antigen D5 and cytotoxic gene pathogenesis island Cag11 protein for Helicobacter pylori

Assay

Reproducibility

The mean (X) and (SD) of three H. pylori seropositive serum samples

1

2

3

Average X/ SD

CV%

rPSA-ELISA

Intra-assay

3.067/0.003

2.947/0.124

2.783/0.403

2.932/ 0.176

6.273%

rCag11-ELISA

Intra-assay

3.006/0.115

2.877/0.065

2.846/0.049

2.91/0.076

2.623%

  1. *Producibility assay precision was determined from three repetitions of three H. pylori seropositive sample in the same method.
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