Skip to main content
. 2016 Dec 7;22(45):9974–9983. 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 study Sample size
 Gender
 Age Tobacco consumption
 Alcohol consumption
 Polymorphisms
Case Control N Female
 Male
 Mean (SD)
 Non-smokers
 Smokers
 Non-drinkers
 Drinkers
 CYP1A1 CYP2E1 EPHX1
N Case Control Case Control Case Control Case Control Case Control Case Control Case Control
Huang et al[19], 2005 Bethesda, Maryland 772 777 237 241 535 536 - - - - - - - - - - - - Tyr113His1, His139Arg1
van der Logt et al[36], 2006 Netherlands 371 415 159 247 212 168 42 64.0 - - - - - - - - - *5B, *6 Tyr113His, His139Arg
Kiss et al[32], 2007 Hungary 500 500 278 278 222 222 64.1 63.8 - - - - - - - - - *5B1 Tyr113His1, His139Arg
Yeh et al[42], 2007 China 727 736 317 327 410 409 - - - - - - - - - - *2C1 - -
Yoshida et al[39], 2007 Japan 66 121 26 48 36 73 67.31 67.3 35 55 261 61 - - - - *2A, *2C - -
Morita et al[33], 2009 Japan 685 778 259 288 426 490 60.2 58.6 - - - - 272 264 413 468 - *5B -
Hlavata et al[20], 2010 Czech 495 495 206 230 289 265 57.21 55.5 243 195 220 169 - - - - - - Tyr113His, His139Arg
Nisa et al[37], 2010 Japan 685 778 259 288 426 490 - - 299 326 386 452 - - - - *2A, *2C - -
Northwood et al[21], 2010 United Kingdom 317 296 911 122 226 174 62.5 62.0 - - - - - - - - *2C - Tyr113His, His139Arg
Darazy et al[35], 2011 Lebanon 57 70 - - - - 60.3 62.8 - - - - - - - - *2A *6 -
Jin et al[40], 2011 China 5336 6226 - - - - - - - - - - - - - - *2C1 - -
Sameer et al[10], 2011 India 86 160 37 72 49 88 52.0 52.0 31 75 55 85 - - - - - *5B1 -
Liu et al[43], 2012 China 6395 7893 - - - - - - - - - - - - - - - - Tyr113His, His139Arg1
Silva et al[34], 2012 Brazil 131 206 70 124 61 82 62.4 61.7 - - - - - - - - - *5B1 -
Zheng et al[41], 2012 China 6673 8102 - - - - - - - - - - - - - - *2A1, *2C - -
Jiang et al[27], 2013 China 5137 6330 - - - - - - - - - - - - - - - *5B1, *6 -
Qian et al[17], 2013 China 4592 5918 - - - - - - - - - - - - - - - *6 -
He et al[38], 2014 China 6975 8651 - - - - - - - - - - - - - - *2A - -
This Study Brazil 227 400 125 106 2751 121 62.01 46.7 243 131 157 96 218 127 182 100 *2A, *2C *5B1, *61 Tyr113His, His139Arg
1

P value significant; the variable or polymorphism was associated with SCRC.