Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. May 14, 2011; 17(18): 2343-2348
Published online May 14, 2011. doi: 10.3748/wjg.v17.i18.2343
Table 1 Characteristics of case-control studies included in the meta-analysis
First authorYearCountryRacial descentSource of controlsGenotyping methodHistological typeGenotype distribution
P for HWE1C
Case
Control
AAACCCAAACCC
Xing2002ChinaAsianAge matchedPCR-RFLPESCC33676334517030.870.07
Yu2004ChinaAsianAge matchedPCR-RFLPESCC10816111331720.110.07
Casson2005CanadaEuropeanRandomly selectedPCR-RFLPEADC4312143446150.930.40
Ye22006SwedenEuropeanAge matchedPCR-RFLPEADC275118198203710.110.37
Ye22006SwedenEuropeanAge matchedPCR-RFLPESCC234414198203710.110.37
Sobti2007IndianAsianAge matchedPCR-RFLPESCC526176377200.640.37
Doecke2008AustraliaMixedAge matchediPLEXTMEADC108124315755881740.220.35
Ferguson2008IrelandEuropeanRandomly selectedTaqManEADC80943491121350.610.39
Tse2008AmericaMixedAge matchedTaqManEADC10415949193208520.720.34
Pan22009AmericaEuropeanAge matchedTaqManEADC13715356187216530.430.24
Pan22009AmericaEuropeanAge matchedTaqManESCC17183187216530.430.24
Zhai2009ChinaAsianAge matchedPCR-RFLPESCC1673121485110.120.13