Table 4 Distribution of XRCC3 Thr241Met genotypes among cases and controls stratified by smoking status
From: XRCC3 Thr241Met gene polymorphisms and lung cancer risk: a meta-analysis
First author-year | Ethnicity(country of origin) | Smoking status | Lung cancer cases | Controls | ||||
|---|---|---|---|---|---|---|---|---|
C/C | C/T | T/T | C/C | C/T | T/T | |||
Wang-2003(36) | USA (Mixed) | Non-smoking | 24 | 10# | 93 | 67# | ||
Smoking | 45 | 33# | 26 | 4# | ||||
Zhang-2007 (47) | China (Asian) | Non-smoking | 73 | 12# | 126 | 16# | ||
Smoking | 110 | 16# | 118 | 13# | ||||
Rky-2006 (35) | Sweden (Caucasian) | Non-smoking | 31 | 53# | 32 | 42# | ||
Smoking | 48 | 43# | 24 | 56# | ||||
Osawa K-2010 | Japan (Asian) | Non-smoking | 28 | 3# | 42 | 12# | ||
Smoking | 63 | 9# | 53 | 8# | ||||