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Table 1 Characteristics of the studies eligible for current meta-analysis

From: No association between three polymorphisms (rs1800629, rs361525 and rs1799724) in the tumor necrosis factor-α gene and susceptibility to prostate cancer: a comprehensive meta-analysis

Author

Year

Country

Ethnicity

Case

Control

SOC

Cases

Controls

HWE

Genotype

MM

MW

WW

MM

MW

WW

rs1800629

 Jones

2013

USA

African-American

279

535

HB

5

103

171

14

153

368

0.687

Illumina’s Golden gate

 Zabaleta

2008

USA

African-American

67

130

HB

2

9

56

3

33

94

0.958

Sequence

 Berhane

2012

India

Asian

150

150

HB

6

24

120

1

18

131

0.662

ARMS-PCR

 Wu

2003

China-Taiwan

Asian

96

126

HB

2

20

74

1

22

103

0.882

PCR-RFLP

 Alidoost

2019

Iran

Asian

100

110

HB

0

16

84

0

14

96

0.476

PCR-RFLP/ARMS-PCR

 Kesarwani

2009

India

Asian

197

256

HB

1

21

175

4

37

215

0.115

PCR-RFLP

 Ali

2019

Iraq

Asian

30

30

PB

12

18

0

24

6

0

0.543

PCR-RFLP

 Ge

2007

China

Asian

245

245

HB

2

39

204

2

48

195

0.609

TaqMan

 Dluzniewski

2012

USA

Caucasian

468

468

HB

14

113

341

6

126

336

0.125

MassArray

 Pardo

2019

Venezuela

Caucasian

40

40

HB

0

6

34

0

11

29

0.313

PCR-RFLP

 Zabaleta

2008

USA

Caucasian

479

400

HB

9

148

322

10

118

272

0.505

Sequence

 Sáenz-López

2008

Spain

Caucasian

296

310

PB

5

70

221

2

52

256

0.714

TaqMan

 Moore

2009

USA

Caucasian

949

857

PB

21

228

700

11

205

641

0.231

TaqMan

 Danforth

2008

USA

Caucasian

1155

1380

PB

26

336

793

45

418

926

0.795

TaqMan/MGBEclipse assay

 Danforth

2008

USA

Caucasian

1111

1125

PB

25

294

792

33

286

806

0.217

TaqMan/MGBEclipse assay

 Ribeiro

2012

Portugal

Caucasian

449

557

PB

8

115

326

7

143

407

0.155

TaqMan

 Wang

2009

USA

Caucasian

251

250

PB

12

79

160

9

69

172

0.529

TaqMan

 Bandil

2017

India

Asian

105

115

HB

9

15

81

4

7

104

< 0.001

ARMS-PCR

 Omrani

2008

Iran

Asian

41

105

HB

0

36

5

3

99

3

< 0.001

ASO-PCR

 McCarron

2002

United Kingdom

Caucasian

239

220

HB

6

66

167

13

57

150

0.023

ARMS-PCR

 OH

2000

USA

Caucasian

73

73

HB

0

53

20

0

53

20

< 0.001

allele-specific PCR

 Zhang

2010

USA

Caucasian

116

128

PB

  

116

  

128

 

CBMALD-TOF-MS

rs361525

 Pardo

2019

Venezuela

Caucasian

40

40

HB

0

4

36

0

1

39

0.936

PCR-RFLP

 OH

2000

USA

Caucasian

73

73

HB

0

23

50

0

23

50

0.11

allele-specific PCR

 Zabaleta

2008

USA

Caucasian

471

385

HB

6

41

424

0

39

346

0.295

Sequence

 Alidoost

2019

Iran

Asian

100

110

HB

0

10

90

0

5

105

0.807

PCR-RFLP/ARMS-PCR

 Danforth

2008

USA

Caucasian

1114

1126

PB

1

121

992

3

100

1023

0.737

TaqMan/MGBEclipse assay

 Ge

2007

China

Asian

245

245

HB

0

10

235

0

22

223

0.461

TaqMan

 Zabaleta

2008

USA

African-American

64

126

HB

0

6

58

2

10

114

0.006

Sequence

 Bandil

2017

India

Asian

105

115

HB

12

60

33

20

86

9

< 0.001

ARMS-PCR

rs1799724

 Danforth

2008

USA

Caucasian

1139

1378

PB

13

203

923

14

254

1110

0.9

TaqMan/MGBEclipse assay

 Danforth

2008

USA

Caucasian

1108

1101

PB

17

183

908

19

220

862

0.257

TaqMan/MGBEclipse assay

 Kesarwani

2009

India

Asian

197

256

HB

4

57

136

4

56

196

1

PCR-RFLP

 Zabaleta

2008

USA

African-American

464

372

HB

6

59

399

8

41

323

< 0.001

Sequence

 Zabaleta

2008

USA

Caucasian

6

14

HB

3

0

3

7

0

7

< 0.001

Sequence

rs1799964

 Danforth

2008

USA

Caucasian

1142

1375

PB

60

361

721

58

441

876

0.791

TaqMan/MGBEclipse assay

 Danforth

2008

USA

Caucasian

1143

1155

PB

54

370

719

64

377

714

0.129

TaqMan/MGBEclipse assay

 Kesarwani

2009

India

Asian

197

256

HB

90

64

43

83

91

82

< 0.001

PCR-RFLP

  1. HB hospital-based, PB population-based, SOC source of control, PCR-FLIP polymerase chain reaction and restrictive fragment length polymorphism; ARMS amplification refractory mutation system, HWE Hardy–Weinberg equilibrium of control group, W wild type-allele, M mutant-allele