Table 5 Characteristics of the studies selected in the meta-analysis
From: MDM2 SNP309 polymorphism is associated with colorectal cancer risk
Author | Years | Country | Ethnicity | Genotying methods | Source of controls | Sample size (cases/controls) | Cases (TT/TG/GG) | Controls (TT/TG/GG) |
|---|---|---|---|---|---|---|---|---|
Alhopuro | 2005 | Finland | European | PCR-RFLP | Population | 969/185 | 334/465/170 | 56/98/31 |
Sotamaa | 2005 | Finland | European | PCR-RFLP | Population | 121/209 | 38/66/17 | 78/94/37 |
| Â | 2005 | United States | European | PCR-RFLP | Population | 30/118 | 15/11/4 | 45/52/21 |
Menin | 2006 | Italy | European | PCR-RFLP | Population | 153/92 | 69/70/14 | 40/40/12 |
Talseth | 2006 | Australia and Poland | European | TaqMan PCR | Hospital | 116/98 | 45/57/14 | 40/51/7 |
Alazzouzi | 2007 | Spain | European | PCR-SSCP | Hospital | 152/184 | 66/69/17 | 97/63/24 |
Chen | 2009 | China | Asian | PCR-CE | Population | 123/138 | 27/66/30 | 29/83/26 |
Sugano | 2010 | Japan | Asian | LH-MSAs | Population | 211/59 | 61/95/55 | 12/27/20 |
Joshi | 2011 | Japan | Asian | PCR-RFLP | Population | 685/778 | 129/373/183 | 177/384/217 |
Chaar | 2012 | Tunisia | European | PCR-RFLP | Population | 167/167 | 11/86/70 | 64/56/47 |
Zhang | 2012 | China | Asian | MALDI-TOF MS | Hospital | 444/569 | 131/223/90 | 180/281/108 |
