Editorial
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Jul 21, 2008; 14(27): 4265-4272
Published online Jul 21, 2008. doi: 10.3748/wjg.14.4265
Table 2 PCR-based genotyping for the babA2 gene in H pylori positive cases n (%)
Prevalence of babA2 gene
StudyYearPopulationNumber studiedTotalGastritisPUDCancerMALTDuodenitisRelated to diseases
Western countries
Gerhard et al1999Germany11482 (72)18 (51)23 (100)21 (78)20 (69)Yes
Prinz et al1, 22001Germany14557 (39)57 (39)-
Rad et al12002Germany14154 (38)54 (38)-
Zambon et al2003Italy16760 (36)26 (28)20 (49)14 (42)Yes
Oleastro et al2003Portugal14045 (32)24 (23)21 (58)Yes
Podzorski et al2003USA6133 (36)22 (36)-
Oliveira et al2003Brazil20896 (46)24 (32)43 (54)29 (56)Yes
Rad et al32004Germany20773 (35)73 (35)-
Lehours et al2004France8240 (49)21 (54)19 (44)No
Gatti et al2005Brazil8942 (47)37 (53)3 (20)1 (100)1 (33)No
Olfat et al2005Germany9241 (45)19 (28)22 (88)Yes
Sweden7433 (45)21 (48)12 (40)No
Portugal9131 (34)12 (20)19 (63)Yes
Finland5734 (60)12 (46)22 (71)Borderline (P = 0.06)
Gatti et al2006Brazil9438 (40)18 (41)20 (40)No
Asian countries
Mizushima et al2001Japan179152 (85)34 (81)73 (85)36 (90)9 (82)No
Yu et al2002China10483 (80)83 (80)-
Lai et al2002Taiwan101101 (100)41 (100)46 (100)14 (100)No
Han et al2004China14190 (64)28 (65)50 (65)12 (57)Yes (DU vs GU)
Zheng et al2006China7228 (39)11 (39)17 (40)No
Lee et al2006Korea13583 (61)64 (57)19 (86)Yes
Erzin et al2006Turkey9149 (54)7 (23)12 (43)24 (73)Yes