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Table 2 General characteristics of studies reporting associations in sporadic breast cancer (HB: hospital based, PB: population based, HWE: Hardy-Weinberg Equilibrium, NOS: The Newcastle-Ottawa Scale)

From: Associations between XRCC3 Thr241Met polymorphisms and breast cancer risk: systematic-review and meta-analysis of 55 case-control studies

First Author

Year

Society

Country

Ethnicity

Genotyping Method

Case-enrollment strategy

Frequency in Cases

Frequency in Controls

HWE

NOS

Score

TT

TM

MM

Total

TT

TM

MM

Total

Al Zoubi

2015

HB

Jordan

Arab

Sequencing

Prevalent

16

26

4

46

8

18

5

31

0.33

5

Al Zoubi

2017

HB

Italy

Caucasian

Sequencing

Prevalent

8

13

2

23

4

9

2

15

0.72

5

Ali

2016

HB

Saudi Arabian

Arab

PCR-RFLP

Incident

43

73

27

143

32

32

78

35

>  0.05

6

Brooks

2008

PB

USA

Mixed

PCR-RFLP

Incident

254

259

98

611

249

286

76

611

0.661

9

Costa

2007

HB

Portugal

Caucasian

PCR-RFLP

Prevalent

68

77

31

176

121

61

29

211

0

5

Devi

2017

HB

India

Asian

PCR-RFLP

Prevalent

350

100

14

464

426

99

9

534

0.25

10

Ding

2015

HB

China

Asian

PCR-LDR

Prevalent

510

91

5

606

557

74

2

633

0.25

7

Dufloth

2005

HB

Brazil

Mixed

PCR-RFLP

Prevalent

15

16

2

33

68

35

15

118

0.005

3

Figueiredo

2004

PB

Canada

Caucasian

MALDI-TOF MS

incident

110

148

61

319

133

180

52

365

0.39

9

Forsti

2004

PB

Finland

Caucasian

PCR-RFLP

Prevalent

111

80

32

223

161

110

27

298

0.654

4

Garcia-Closas

2006

PB

Poland

Caucasian

NA

Incident

785

907

282

1974

980

1039

266

2285

0.709

7

Garcia-Closas

2006

PB

USA

Caucasian

NA

Incident

1102

1419

457

2978

973

1213

368

2554

0.748

7

Gohari-Lasaki

2015

HB

Iran

Mixed

PCR-RFLP

Prevalent

70

13

17

100

69

22

9

100

NA

2

Han

2004

PB

USA

Mixed

Taq-Man

Incident

388

429

135

952

468

607

170

1245

0.225

8

Jacobsen

2003

PB

Denmark

Caucasian

Taq-Man / PCR-RFLP

Incident

163

203

59

425

160

198

65

423

0.772

4

Kipen

2017

HB

Belarus

Caucasian

PCR-RFLP

Incident

86

68

15

169

84

94

7

185

>  0.05

5

Krupa

2009

HB

Poland

Caucasian

PCR-RFLP

Prevalent

29

68

38

135

29

107

39

175

0.003

4

Kuschel

2002

PB

UK

Caucasian

Taq-Man

Incident

790

1026

327

2143

728

827

229

1784

0.8

4

Lavanya

2015

HB

India

Asian

PCR-RFLP

N/M

42

7

1

50

40

8

2

50

> 0.05

6

Lee

2007

HB

South Korea

Asian

Single base extension assay

Prevalent

437

51

1

489

349

29

0

378

0.74

6

Loizidou

2008

PB

Cyprus

Mixed

PCR-RFLP

Incident

312

560

220

1092

351

600

226

1177

0.285

8

Millikan

2005

PB

USA

Caucasian

Taq-Man

Incident

505

578

171

1254

435

555

142

1132

0.086

9

Millikan

2005

PB

USA

African-American

Taq-Man

Incident

482

222

41

745

421

211

44

676

0.015

9

Ozgoz

2017

HB

Turkey

Mixed

Multiplex-PCR & MALDI-TOF

Prevalent

42

46

14

102

37

40

23

100

0.234

7

Qureshi

2014

HB

Pakistan

Mixed

PCR-RFLP

Prevalent

74

67

15

156

101

44

5

105

>  0.05

6

Rafii

2003

HB

UK

Caucasian

Taq-Man

Prevalent

201

248

72

521

341

416

129

886

0.87

8

Ramadan

2014

HB

Egypt

Mixed

PCR-RFLP

Incident

28

57

15

100

30

37

8

75

0.491

7

Romanowicz

2017

HB

Poland

Caucasian

HRM

Prevalent

48

72

80

200

52

72

76

200

0.862

6

Romanowicz-Makowska

2012

HB

Poland

Caucasian

PCR-RFLP

Prevalent

210

370

180

760

178

366

216

760

0.343

5

Romanowicz-Makowska

2011

HB

Poland

Caucasian

PCR-RFLP

Prevalent

220

378

192

790

188

384

226

798

0.939

5

Sangrajrang

2007

HB

Thai

Asian

Melting curve analysis

Incident

437

69

1

507

384

38

2

424

0.322

6

Santos

2010

HB

Brazil

Mixed

PCR-RFLP

Incident

28

31

6

65

49

29

7

85

0.37

6

Shadrina

2016

PB

Russia

Caucasian

Taq-Man

Prevalent

285

284

95

664

294

278

72

644

0.59

6

Silva

2010

HB

Portugal

Caucasian

PCR-RFLP

N/M

109

138

42

289

178

276

94

548

0.46

6

Smith

2008

HB

USA

Caucasian

Mass ARRAY system

Incident

124

137

54

315

158

184

59

401

0.649

5

Smith

2008

HB

USA

African-American

Mass ARRAY system

Incident

32

19

1

52

48

20

5

73

0.169

7

Smith a

2003

HB

USA

Caucasian

PCR-RFLP

Incident

96

105

51

252

104

129

35

268

0.611

7

Smith b

2003

PB

USA

Caucasian

PCR-RFLP

Incident

30

40

17

87

39

55

15

109

0.68

7

Smolarz

2015

HB

Poland

Caucasian

PCR-RFLP

Prevalent

19

35

16

70

15

35

20

70

0.718

6

Sobczuk

2009

HB

Poland

Caucasian

PCR-RFLP

Prevalent

29

71

50

150

24

50

32

106

0.567

5

Sterpone

2010

HB

Italy

Caucasian

PCR-RFLP

Prevalent

18

21

4

43

15

15

4

34

0.853

6

Su

2015

HB

Taiwan

Asian

PCR-RFLP

Prevalent

1052

141

39

1232

1131

87

14

1232

0.89

7

Thyagarajan

2006

PB

USA

Caucasian

PCR-RFLP

N/M

160

192

67

419

126

157

40

323

0.405

8

Vral

2011

HB

Italy

Caucasian

PCR-RFLP or SnapShot

N/M

13

22

9

44

54

84

30

168

0.964

2

Webb

2005

PB

Australia

Caucasian

Taq-Man

Prevalent

500

612

184

1296

248

321

91

660

0.425

8

Webb

2005

PB

Australia

Mixed

Taq-Man

Prevalent

91

44

14

149

59

54

15

128

0.625

8

Zhang

2005

HB

China

Asian

PCR-RFLP

Incident

33

80

107

220

29

115

166

310

0.17

3

BCAC HBBCS

2006

HB

Germany

Caucasian

Taq-Man & ARMS

N/M

95

119

42

1156

77

88

29

194

0.64

5

BCAC Madrid

2006

HB

Spain

Caucasian

Taq-Man & Illumina

N/M

255

274

92

621

281

287

105

673

0.028

6

BCAC SEARCH

2006

PB

UK

Caucasian

Taq-Man

N/M

1177

1462

465

3104

1607

1898

549

4054

0.76

9

BCAC Seoul

2006

HB

Korea

Asian

Taq-Man & SNPstream

N/M

502

53

1

556

355

31

0

386

0.411

8

BCAC Sheffield

2006

HB

UK

Caucasian

Taq-Man

N/M

458

555

168

1181

437

534

195

1166

0.144

7

BCAC USRTS

2006

PB

USA

Caucasian

Taq-Man

N/M

281

336

98

715

402

480

155

1037

0.55

7