《Table 1:Concordance rates and accuracy between H.pylori antigen test results from fecal samples and

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《Detection Capability of the Stool Helicobacter pylori Antigen Kit Using Gastric Juice Collected during Esophagogastroduodenoscopy》

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H.pylori:Helicobacter pylori；GJA:Gastric juice A；GJB:Gastric juice B.

Twenty?two patients participated in this study，of which nine were male（median age of the patients was 70 years）.The concordance rate between the H.pylori antigen test analysis of fecal samples and that of GJA was 95%，and theκcoefficient was 0.89[Table 1].The concordance rate between the analysis of fecal samples and that of GJB was 91%，and theκcoefficient was 0.77[Table 1].Both results were defined as excellent according to Fleiss’s equally arbitrary guidelines.[1]In GJA and GJB，the sensitivity of the H.pylori antigen test was 86%and 71%，specificity was 100%and 100%，positive predictive value was 100%and 100%，and negative predictive value was 94%and 88%，respectively[Table 1].