Table 1 Characteristics of case-control studies on microRNA polymorphisms and HNC risk included in the meta-analysis.

From: Significant association between functional microRNA polymorphisms and head and neck cancer susceptibility: a comprehensive meta-analysis

First author

Year

Country/Region

Racial

Source of controls

Case

Control

Genotype distribution

Genotyping methods

Pfor HWEa

Location

Case

Control

microRNA-146a rs2910164 G > C

       

GG

GC

CC

GG

GC

CC

   

Jazdzewski

2008

Europe/USA

Caucasian

Healthy

608

901

305

287

16

526

320

55

Applied Biosystems

0.50

Thyroid

Liu

2010

USA

Caucasian

Population

1109

1130

630

411

68

655

405

70

PCR-RFLP

0.49

HN

Chu

2012

China

Asian

Hospital

470

425

54

242

174

54

196

175

PCR-RFLP

0.94

HN

Lung

2013

China

Asian

Healthy

229

3776

24

88

117

497

1807

1472

Applied Biosystems

0.12

NP

Orsós

2013

Hungary

Caucasian

Hospital

468

468

284

168

16

323

136

9

PCR with two-pair primers

0.22

HN

Wei

2013

China

Asian

Population

753

760

136

323

294

138

345

277

MassARRAY iPLEX platform

0.09

Thyroid

Lin

2014

China

Asian

Population

204

440

31

110

63

139

220

81

Applied Biosystems

0.71

Laryngeal

microRNA-196a2 rs11614913 C > T

       

CC

CT

TT

CC

CT

TT

   

Christensen

2010

USA

Caucasian

Population

484

555

182

302a

 

188

367a

 

Applied Biosystems

NA

HN

Liu

2010

USA

Caucasian

Population

1109

1130

350

565

194

383

545

202

PCR-RFLP

0.74

HN

Chu

2012

China

Asian

Hospital

470

425

57

277

136

87

206

132

PCR-RFLP

0.69

HN

Roy

2014

India

Asian

Hospital

451

448

218

187

46

242

168

38

Applied Biosystems

0.25

Oral

Li

2014

China

Asian

Population

1020

1006

209

489

322

218

518

270

Applied Biosystems

0.30

NP

microRNA-149 rs2292832 C > T

       

CC

CT

TT

C/C

CT

TT

   

Liu

2010

USA

Caucasian

Population

1109

1130

580

441

88

586

445

99

PCR-RFLP

0.27

HN

Chu

2012

China

Asian

Hospital

470

425

37

88

345

26

84

315

Applied Biosystems

< 0.01

HN

Tu

2012

China

Asian

Hospital

273

122

20

129

124

21

52

49

Applied Biosystems

0.27

HN

microRNA-499 rs3746444 A > G

       

AA

AG

GG

AA

AG

GG

   

Liu

2010

USA

Caucasian

Population

1109

1130

745

309

55

710

366

54

PCR-RFLP

0.44

HN

Chu

2012

China

Asian

Hospital

470

425

339

119

12

356

66

3

PCR-RFLP

0.98

HN

  1. MAF: Minor allele frequency in control group.
  2. NP: Nasopharyngeal; HN: head and neck.
  3. Population: Population controls Hospital: Hospital controls Healthy: Healthy controls.
  4. aHWE in control.