Additional corpus biopsy enhances the detection of Helicobacter pylori infection in a background of gastritis with atrophy

Table 4 Studies on the diagnostic tests of H. pylori and the respective biopsy sites chosen, published between November 2005 and February 2011

Authors	Country and population studied	Sampling site of Histology stain	Sampling site of Rapid urease test	Age range of subjects (years)	Numbers of subjects	Numbers of *H. pylori*-positive %
Choi et al. [22]	Korea, health check-up examinees	*1LA1LB	1LA	Mean 47.8	515	53.2
Hsu et al. [23]	Taiwan, dyspepsia	-	1LA vs. 1LA1GB	Mean 55.0-57.8	355	33.5
Vaira et al. [24]	Italy, dyspepsia	2A	2A	Median 52	1000	45.3
Goh et al. [25]	Malaysia, dyspepsia	1A1B	1A1B	Mean 50.7	206	53.9
Shin et al. [8]	Korea, gastritis with atrophy	2A2B	1A1B	Mean 57.7	651	41.2
Siddique et al. [26]	Kuwait, endoscopy evaluation	-	1A vs. 2A vs. 3A vs. 4A	Mean 36.1	100	-
Yoo et al. [21]	Korea, dyspepsia	2A2B	1LA1LB	Mean 56.8	430	-
Yakoob et al. [27]	Pakistan, dyspepsia	2A	2A	Mean 43	109	57.0
Kim et al. [28]	Korea, gastric cancer	2LA2LB2GB	1GB	Median 61	194	84.0
Tang et al. [29]	Taiwan, bleeding	2B2U	2A	Mean 63.5	324	53.7
Roma-Giannikou et al. [30]	Greece	1A	1A	Mean 10.4	254	-
Chey et al. [15]	Guideline	1GA1GB1Ag	1AgB1GA	-	-	-

*1A, one piece from the antrum; 1B, one piece from the body; 2A2B, two pieces from the antrum and 2 from the body; 1LA, one piece from the lesser curvature of the antrum; 1LB, one piece from the lesser curvature of the body; 1GA, one piece from the great curvature of the antrum;1GB, one piece from the great curvature of the body; 1AgB, one piece from the body angularis; 2U, two pieces from the ulcer margin.

ISSN: 1471-230X