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Table 1 Principal characteristics of studies included in the meta-analysis

From: mEH Tyr113His polymorphism and the risk of ovarian cancer development

Study

Country

Ethnicity

Genotyping method

P HWE

P frequency of T-allele

Cases / Controls

No. of cases

No. of controls

TT

TC

CC

TT

TC

CC

Baxter 200211

UK

Caucasian

Allele-specific PCR

0.237

0.65

291/257

142

114

35

129

100

28

Goode 201112

US and Australia

Caucasian

Allele-specific PCR

0.034

0.03

1571/2046

767

599

205

1030

815

201

Kang 200413

China

Chinese

Allele-specific PCR

<0.001

0.32

86/174

27

26

33

50

46

78

Lancaster 199614

US

Caucasian

PCR-RFLP

0.626

0.01

73/75

47

17

9

31

33

11

Spurdle 200115

Australia

Caucasian

Allele-specific PCR

0.268

0.63

545/287

255

233

57

142

114

31