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Table 1 Characteristics of studies evaluating the effects of hypoxia-inducible factor-1α (HIF1α) 1790G/A gene polymorphism on renal cancer and prostate cancer risk

From: Association of hypoxia-inducible factor-1α (HIF1α) 1790G/A gene polymorphism with renal cell carcinoma and prostate cancer susceptibility: a meta-analysis

Cancer Types

Author, Year

Country

Ethnicity

Case

Control

+

Total

+

Total

Renal cancer

Clifford 2001

UK

Caucasian

18

27

45

31

17

48

Ollerenshaw 2004

UK

Caucasian

89

84

173

117

94

211

Morris 2009

Poland

Caucasian

63

63

126

255

250

505

Qin 2012

China

Asian

50

50

100

108

92

200

Prostate cancer

Chau 2005

USA

Mix

424

487

911

555

677

1232

Orr-Urtreger 2007

Israel

Caucasian

51

47

98

167

157

324

Li 2007

USA

Mix

303

321

624

433

454

887

Li 2012

China

Asian

46

30

76

86

96

182