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Table 2 Characteristic of eligible studies included in meta-analysis of HIF1A 1790G/A polymorphism

From: A meta-analysis of hypoxia inducible factor 1-alpha (HIF1A) gene polymorphisms: association with cancers

Study Year Country Ethnicity Cancer Case/Control HWE
Clifford et al. [8] 2001 Caucasian Caucasian Renal cancer 48/144 0.866(Y)
Tanimoto et al. [9] 2003 Japan Asian Head neck squeamish cell carcinoma 55/110 0.655(Y)
Ollerenshaw et al. [10] 2004 Caucasian Caucasian Renal cancer 146/288 <0.001(N)
Fransen et al. [12] 2006 Sweden Caucasian Colorectal cancer 198/256 0.775(Y)
Orr-Urtreger et al. [30] 2007 Israel Caucasian Prostate cancer 200/300 0.954(Y)
Li et al. [14] 2007 USA Mixed Prostate cancer 1066/1264 0.810(Y)
Apaydin et al. [31] 2008 Turkey Caucasian Breast cancer 102/102 0.840(Y)
Kim et al. [16] 2008 Korea Asian Breast cancer 90/102 0.06(Y)
Muñoz et al. [32] 2009 Spain Caucasian Oral squamous cell carcinoma 64/139 0.693(Y)
Chen et al. [21] 2009 Taiwanese Asian Oral squamous cell carcinoma 174/347 0.701(Y)
Morris et al. [20] 2009 polish Caucasian Renal cancer 325/309 0.662(Y)
Li K et al. [33] 2009 Tibetan Asian Gastric cancer 87/106 0.764(Y)
Hsiao et al. [34] 2010 Taiwan Asian Hepatocellular carcinoma 102/347 0.701(Y)
Putra et al. [25] 2011 Japan Asian Lung cancer 83/110 0.655(Y)
Wang et al. [26] 2011 Japan Asian Pancreatic cancer 263/271 0.486(Y)
Kuo et al. [27] 2012 China Asian Lung cancer 285/300 0.154(Y)
Li et al. [28] 2012 China Asian Prostate cancer 662/716 0.554(Y)
Mera-Mene et al. [35] 2012 Spain Caucasian Lymph node metastasis 111/139 0.693(Y)
Qin et al. [36] 2012 Asian Asian Renal cancer 620/623 0.411(Y)
  1. HWE Hardy-Weinberg Equilibrium