Helicobacter pylori BabA in adaptation for gastric colonization

Table 2 Prevalence of babA in different Asian and other countries

Ref.	Countries	Criteria for babA positive	Prevalence	Year
	Asia
Abdullah et al[43]	Iraq	Positive with babA2 specific primers	33.7% in NUD and 58.8% in PUD	2012
Karabiber et al[44]	Turkey	Positive with babA2 specific primers	49% in gastritis	2014
Abadi et al[45]	Iran	Positive with babA2 specific primers	Overall-40.6%	2013
			95%-GC, 18.1-DU, 26.1-NUD
Yadegar et al[46]	Iran	Positive with babA2 specific primers	Overall-96.7%	2014
			94.4%-NUD, 100%-PUD, 100%-GE, 100%-GC
Saberi et al[42]	Iran	BabA expression	Overall-62%	2016
Osman et al[47]	Malaysia	Positive with babA2 specific primers	41%-NUD	2015
Boonyanugomol et al[48]	Thailand	Positive with babA2 specific primers	Overall-66.2%,	2012
			70.7%-CCA, 54.5%-Cholelithiasis
Chomvarin et al[49]	Thailand	Positive with babA2 specific primers	Overall-92%	2008
			92%-NUD, 85%-GU, 100%-DU, 94%-GC
Ghosh et al[50]	India	Positive with babA2 specific primers	Overall-67.5%	2016
			65.6%-NUD, 70%-DU
Con et al[51]	Japan	Positive with babA2 specific primers	Overall-96.8%	2010
Fujimoto et al[52]	Japan	Leb binding activity	Over all-88.0%	2007
Kim et al[32]	South Korea	Positive with babA specific primers	Overall-47.5%	2015
	Other countries
Kim et al[32]	United States	Positive with babA specific primers	Overall-90%	2015
Biernat et al[53]	Poland	Positive with babA2 specific primers	Overall-23.1%	2014
			18%-NUD, 30%-PUD, 31.8%-GERD
Homan et al[54]	Slovenia	Positive with babA2 specific primers	Overall-47.9%	2014
Boyanova et al[55]	Bulgaria	Positive with babA2 specific primers	Overall-48.8%	2010
			59.3%-PUD, 43.5%-NUD
Matteo et al[28]	Argentina	Positive with babA specific primers	Overall-67%	2011
Con et al[51]	Costa-Rica	Positive with babA2 specific primers	Overall-73.7%	2010
Fujimoto et al[52]	Colombia	Leb binding activity	Overall-83.0%	2007

NUD: Non-ulcer disease; PUD: Peptic ulcer disease; GC: Gastric cancer; DU: Duodenal ulcer; GE: Gastric erosion; CCA: Cholangiocarcinoma; GERD: Gastroesophageal reflux disease; GU: Gastric ulcer.