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Table 3 Characteristics of the 14 studies included for this meta-analysis

From: TLR3 gene polymorphisms in cancer: a systematic review and meta-analysis

Study

Ethnicity

Cancer type

Sample size

Cases

Controls

P of HWE

Case

Control

wt/wt

wt/var

var/var

wt/wt

wt/var

var/var

rs3775290 (C13766T, C > T)

         

 He et al. [4]

Asian

Nasopharyngeal carcinoma

395

371

565*

 

225*

510*

 

232a

 

 Singh et al. [5]

Asian

Bladder cancer

200

200

106

81

13

122

71

7

0.391

 Mandal et al. [6]

Asian

Prostate cancer

195

250

115

68

12

157

84

9

0.585

 Pandey et al. [7]

Asian

Cervical cancer

200

200

91

98

11

110

81

9

0.217

 Etokebe et al. [8]

Caucasian

Breast cancer

130

101

58

56

14

46

42

8

0.713

 Zidi et al. [22]

Caucasian

Cervical cancer

130

200

69

48

13

76

106

18

0.026

rs3775291 (G13909A, L412F, G > A)

         

 He et al. [4]

Asian

Nasopharyngeal carcinoma

333

287

405*

 

261*

359a

 

215a

 

 Li et al. [9]

Asian

Hepatocellular carcinoma

466

482

192

222

52

256

203

23

0.030

 Lei et al. [15]

Asian

Breast cancer

981

1221

447

431

103

594

500

127

0.155

 Gast et al. [16]

Caucasian

Skin malignant melanoma

732

668

379

291

62

332

284

52

0.415

 Slattery et al. [17]

Caucasian

Colon cancer

1554

1955

748

653

153

947

817

191

0.446

  

Rectal cancer

754

959

363

332

59

478

381

100

0.066

 Resler et al. [18]

Caucasian

Breast cancer

840

801

427

348

65

418

318

65

0.679

 Zeljic et al. [19]

Caucasian

Oral squamous cell carcinomas

93

104

39

39

15

43

53

8

0.128

 Moumad et al. [21]

African

Nasopharyngeal carcinoma

472

362

289

170

13

252

96

14

0.210

rs3775292 (C/G, intron 3, C > G)

         

 Gast et al. [16]

Caucasian

Skin malignant melanoma

730

668

464

233

33

413

228

27

0.521

 Slattery et al. [17]

Caucasian

Colon cancer

1554

1956

990

507

57

1253

601

102

0.008

  

Rectal cancer

754

959

494

222

38

586

335

38

0.247

 Resler et al. [18]

Caucasian

Breast cancer

840

800

522

284

34

509

262

29

0.507

rs5743312 (C9948T, intron 3, C > T)

         

 He et al. [4]

Asian

Nasopharyngeal carcinoma

405

200

640*

 

170a

316*

 

84a

 

 Lei et al. [15]

Asian

Breast cancer

996

1245

582

348

66

770

433

42

0.044

 Gast et al. [16]

Caucasian

Skin malignant melanoma

716

657

500

200

16

453

193

11

0.060

 Zeljic et al. [19]

Caucasian

Oral squamous cell carcinomas

93

104

69

21

3

78

24

2

0.923

  1. wt/wt, wild type/wild type, indicating wild genotype; wt/var, wild type/variant type, indicating heterozygote; var/var, variant type/variant type, indicating variant genotype; HWE, Hardy-Weinberg equilibrium. *Only the data of allelic model were available, and thus the studies were analyzed only when the allelic model was used. The bold means the genotype information of the rs3775291 and rs3775292 SNPs that readers could not found in [17], and these data were kindly provided by the contacted authors.