Case Control Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Dec 7, 2016; 22(45): 9974-9983
Published online Dec 7, 2016. doi: 10.3748/wjg.v22.i45.9974
Table 6 Comparison between the results of this study and the results of other studies presented in the discussion
Ref.Country studySample size
Gender
AgeTobacco consumption
Alcohol consumption
Polymorphisms
CaseControl NFemale
Male
Mean (SD)
Non-smokers
Smokers
Non-drinkers
Drinkers
CYP1A1CYP2E1EPHX1
NCaseControlCaseControlCaseControlCaseControlCaseControlCaseControlCaseControl
Huang et al[19], 2005Bethesda, Maryland772777237241535536------------Tyr113His1, His139Arg1
van der Logt et al[36], 2006Netherlands3714151592472121684264.0---------*5B, *6Tyr113His, His139Arg
Kiss et al[32], 2007Hungary50050027827822222264.163.8---------*5B1Tyr113His1, His139Arg
Yeh et al[42], 2007China727736317327410409----------*2C1--
Yoshida et al[39], 2007Japan661212648367367.3167.3355526161----*2A, *2C--
Morita et al[33], 2009Japan68577825928842649060.258.6----272264413468-*5B-
Hlavata et al[20], 2010Czech49549520623028926557.2155.5243195220169------Tyr113His, His139Arg
Nisa et al[37], 2010Japan685778259288426490--299326386452----*2A, *2C--
Northwood et al[21], 2010United Kingdom31729691112222617462.562.0--------*2C-Tyr113His, His139Arg
Darazy et al[35], 2011Lebanon5770----60.362.8--------*2A*6-
Jin et al[40], 2011China53366226--------------*2C1--
Sameer et al[10], 2011India861603772498852.052.031755585-----*5B1-
Liu et al[43], 2012China63957893----------------Tyr113His, His139Arg1
Silva et al[34], 2012Brazil13120670124618262.461.7---------*5B1-
Zheng et al[41], 2012China66738102--------------*2A1, *2C--
Jiang et al[27], 2013China51376330---------------*5B1, *6-
Qian et al[17], 2013China45925918---------------*6-
He et al[38], 2014China69758651--------------*2A--
This StudyBrazil227400125106275112162.0146.724313115796218127182100*2A, *2C*5B1, *61Tyr113His, His139Arg