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Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 21, 2014; 20(3): 706-713
Published online Jan 21, 2014. doi: 10.3748/wjg.v20.i3.706
Table 1 Prevalence of idiopathic ulcers
Ref.YearCountrySampling periodSampling styleSubjects diseaseSubjects numberPrevalence of IPU (%)Diagnostic method for H. pylori
North America
Perterson et al[5]1996United StatesNot mentionedRCTDU18526Hist/RUT/culture
Jyotheeswaran et al[6]1998United States1993-1996RetrospectivePUD30539Hist/RUT
Ciociola et al[7]1999United States1991-19956 RCTDU291027Hist/RUT/culture
Europe
McColl et al[9]1993United KingdomPast 5 yrCross-sectionalDU4001.5Hist/RUT/UBT/antibody
Gisbert et al[10]1999SpainNot mentionedProspectiveDU7740.8RUT/culture/UBT
Meucci et al[11]2000Italy1995-1996ProspectivePUD4094.4Hist/RUT
Bytzer et al[12]2001Denmark1993-1995RCTDU2768Hist/culture/antibody
Konturek et al[13]2003Poland1996-2000ProspectivePUD189818.7UBT
Arents et al[14]2004Netherland1991-1998RetrospectivePUD4055Hist/RUT/culture
Arroyo et al[15]2004SpainNot mentionedProspectivePUD8304.1Hist/RUT/UBT
Sbrozzi-Vanni et al[16]2010Italy2005-2007RetrospectivePUD3004Hist/UBT
Musumba et al[3]2012United Kingdom2005-2010Retrospective and prospectivePUD38612Hist/RUT/antibody
Australia
Borody et al[17]1991AustraliaNot mentionedProspectiveDU3020.3Hist/culture
Xia[18]2000AustraliaNot mentionedProspectivePUD4840Hist/RUT/culture
Asia
Tsuji et al[19]1999Japan1995-1997ProspectiveDU and GUDU: 120, GU: 215GU:2.3, DU: 0.9Hist/RUT/culture/antibody
Higuchi et al[20]1999JapanNot mentionedCross-sectionalDU3382.4Hist/RUT/culture/UBT/antibody
Aoyama et al[21]2000Japan1995-1998Cross-sectionalDU and GU3022.6Hist/culture/antibody
Nishikawa et al[22]2000Japan1992-1997Cross-sectionalPUD3981.3Hist/RUT/antibody
Chan et al[23]2001Hong Kong1997-1998ProspectivehPUD9774.1Hist/RUT
Xia et al[24]2001Hong Kong1997-1999ProspectiveDU59917.4Hist/RUT/UBT
Kamada et al[25]2003JapanPast 8 yrCross-sectionalDU4641.3Hist//UBT/antibody
Chu et al[26]2005Hong Kong1996-2002ProspectiveDU134323Hist/RUT
Yakoob et al[27]2005Pakistan1999-2000RetrospectiveDU21729Hist/RUT
Hung et al[28]2005Hong Kong2000ProspectivehPUD63818.8Hist/RUT
Ong et al[29]2006Singapore2002-2004ProspectivePUD6008Hist/RUT
Ootani et al[30]2006Japan2000-2002ProspectivehPUD1161.7RUT/UBT/antibody
Jang et al[31]2008South Korea2004-2005ProspectivePUD89522.2Hist/RUT
Chen et al[32]2010Taiwan2003-2004ProspectiveDU7318RUT/UBT
Goenka et al[33]2011India2008-2009ProspectivePUD14236.6RUT/UBT
Chang et al[34]2011Taiwan2007-2008ProspectivePUD20417.2Hist/RUT/UBT
Wong et al[35]2012Hong Kong2002-2009ProspectivehPUD482713.8Hist/RUT
Kang et al[36]2012South Korea2006-2008ProspectivePUD17316.2Hist/RUT/culture/antibody