Retrospective analysis of discordant results between histology and other clinical diagnostic tests on helicobacter pylori infection

Table 2 Concordance rate between histology and three other Helicobacter pylori tests

Other H. pylori test	CLO test	SA test	H. pylori culture
Total cases	528	306	562
H. pylori positive cases	104	66	145
H. pylori negative cases	424	240	417
H. pylori positivity rate	19.8%	21.5%	25.8%
Concordance cases	505	282	492
Discordance cases	23	24	70
Concordance rate with histology	95.6%	92.1%	87.5%

H. pylori: Helicobacter pylori; CLO test: Campylobacter-like organism (rapid urease test); H. pylori culture: Helicobacter pylori culture.