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Table 1 Characteristics of the studies included in the meta-analysis

From: Heterogeneity revealed through meta-analysis might link geographical differences with nasopharyngeal carcinoma incidence in Han Chinese populations

  

Stage I

       

Stage II

      
 

Sample

Genotyping

 

Sample

Gender (%)a

Ageb

Genotyping

Sample

Gender (%)a

Ageb

Study

Population

Method

SNPs

Case

Control

Case

Control

Case

Control

Method

Case

Control

Case

Control

Case

Control

Tse (2009) 

Taiwan

Illumina Hap550

480,365

277

285

76

67

49 (12)

50 (14)

TaqMan

635

1,640

73

73

50 (13)

59 (14)

Bei (2010)

Guangdongc

Illumina Hap610

464,328

1,583

1,894

73

69

46 (11)

47 (11)

TaqMan

3,507

3,063

74

67

46 (12)

44 (12)

Tang (2012)

Guangxi and Guangdong

Affymatrix 6.0

591,458

567

476

-

-

-

-

TaqMan

923

1,105

-

-

-

-

Li (2011)

Guangdong

TaqMan

233

360

360

72

34

46 (11)

41 (9)

       

Zhao (2012)

Guangdong

SNPstream

100

206

180

71

67

-

-

Sequenome

535

525

73

76

-

-

Hsu (2012)

Taiwan

TaqMan

12

337

286

70

70

46

46

       

Gao (2014)

Guangdong and Guangxi

TaqMan

16

350

619

67

43

45 (11)

46 (10)

TaqMan

816

1721

73

61

45 (11)

46 (12)

  1. aGender: Male percentage. bAge: mean and standard deviation. cMost of the samples were from Guangdong, except 922 GWAS controls were Han Chinese from Singapore
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BMC Cancer

ISSN: 1471-2407

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