Table 1 Characteristic of eligible studies included in meta-analysis of HIF1A 1772 C/T polymorphism
Study | Year | Country | Ethnicity | Cancer | Case/Control | HWE |
|---|---|---|---|---|---|---|
Clifford et al. [8] | 2001 | UK | Caucasian | Renal cell carcinoma | 35/143 | 0.018 (N) |
Tanimoto et al. [9] | 2003 | Japanese | Asian | Head-neck cancer | 55/110 | 0.545 (Y) |
Ollerenshawa et al. [10] | 2004 | European | Caucasian | Renal cell carcinoma | 160/162 | <0.001 (N) |
Chau et al. [11] | 2005 | USA | Mixed | Prostate cancer | 196/196 | <0.001 (N) |
Franse et al. [12] | 2006 | Swedish | Caucasian | Colorectal cancer | 198/258 | 0.916 (Y) |
Konac et al. [13] | 2007 | Turkish | Caucasian | Cervical cancer | 32/107 | 0.229 (Y) |
Li et al. [14] | 2007 | American | Mixed | Prostate cancer | 1041/1234 | 0.159 (Y) |
Lee et al. [15] | 2008 | Korean | Asian | Breast cancer | 1332/1369 | 0.250 (Y) |
Kim et al. [16] | 2008 | Korean | Asian | Breast cancer | 90/102 | 0.641 (Y) |
Nadaoka et al.a [17] | 2008 | Japanese | Asian | Transitional cell carcinoma of bladder | 219/461 | |
Jacobs et al. [18] | 2008 | American | Mixed | Prostate cancer | 1420/1450 | 0.041 (N) |
Foley et al. [19] | 2009 | Ireland | Caucasian | Prostate cancer | 95/188 | 0.623 (Y) |
Morris et al. [20] | 2009 | Polish | Caucasian | Renal cell carcinoma | 332/313 | 0.083 (Y) |
Chen et al. [21] | 2009 | Taiwanese | Asian | Oral squamous cell carcinoma (OSCC) | 174/347 | 0.722 (Y) |
Shieh et al. [22] | 2010 | Taiwan | Asian | Oral squamous cell carcinoma (OSCC) | 305/96 | 0.710 (Y) |
Knechtel et al.a [23] | 2010 | Austria | Caucasian | Colorectal cancer | 368/2156 | |
Kang et al.a [24] | 2011 | Korean | Asian | Colorectal cancer | 50/50 | |
Putra et al. [25] | 2011 | Japanese | Asian | Lung cancer | 83/110 | 0.545 (Y) |
Wang et al. [26] | 2011 | Chinese | Asian | Pancreatic cancer | 263/271 | 0.352 (Y) |
Kuo et al. [27] | 2012 | Taiwanese | Asian | Lung cancer | 285/300 | 0.132 (Y) |
Li et al. [28] | 2012 | China | Asian | Prostate cancer | 662/716 | 0.267 (Y) |
Fraga et al. [29] | 2014 | Portuguese | Caucasian | Prostate cancer | 754/736 | 0.400 (Y) |