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Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 7, 2013; 19(45): 8168-8180
Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8168
Table 1 Epidemiological studies of the last five years from five world continents regarding Helicobacter pylori infection prevalence
CountryRef.Helicobacter pylori positivityTestPopulation
Southern Europe
ItalyDore et al[1], 201213.3%SerologyChildren
PortugalBastos et al[2], 201384.2%SerologyAdults
Northern Europe
SwedenThjodleifsson et al[3], 200711%SerologyAdults
NorwayBakkevold[4], 201051%SerologyAdults
Eastern Europe
Czech RepublicBureš[5], 201223.5%Urea breath testCombined data
RussiaSvarval’ et al[6], 201140.48%SerologyChildren-adolescents
America
United StatesPatterson et al[7], 201217.1%SerologyAdults
South America (combined data)Porras et al[8], 201379.4%Urea breath testAdults
Asia
Saudi ArabiaHanafi et al[9], 201328.3%SerologyChildren, adolescents
South KoreaBaik et al[10], 201255.7%SerologyAdults
Africa
NigeriaEtukudo et al[11], 201230.9%SerologyChildren
MoroccoBenajah et al[12], 201375.5%BiopsyAdults
Oceania
AustraliaPandeya et al[13], 201115.5%SerologyCombined data
New ZealandFawcett et al[14], 20056.2%SerologyChildren, adolescents