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Table 3 Studies included in meta-analyses

From: Meta-analysis confirms association between TNFA- G238A variant and JIA, and between PTPN22-C1858T variant and oligoarticular, RF-polyarticular and RF-positive polyarticular JIA

     

Cases

Controls

Gene

Author

Ref number

Country

Publication year

# Cases

MAF

# Controls

MAF

PTPN22 C1858T

Seldin et al.

[7]

Finland

2005

230

0.18

1400

0.15

Hinks et al.

[5]

UK

2005

661

0.15

595

0.10

Cinek et al.

[18]

Czech/Azeri

2007

130

0.21

400

0.10

Pazar et al.

[19]

Hungary

2008

150

0.09

200

0.08

Thompson et al.

[4]

USA

2010

809

0.14

531

0.09

Ellis

[29]

Australian

2013

324

0.10

568

0.07

Viken et al.

[6]

Norway

2005

320

0.16

555

0.12

Kaalla et al.

Present

USA

 

637

0.13

733

0.11

MIF G-173C

Donn et al.*

[[16]]

UK

2002

526

0.19

259

0.11

Miterski et al.

[9]

Germany

2004

150

0.24

390

0.21

Berdeli et al.

[13]

Turkey

2006

67

0.13

153

0.10

Kaalla et al.

Present

USA

 

639

0.18

742

0.17

TNFA G-238A

Ozen et al.*

[[22]]

Turkey

2002

51

0.22

93

0.27

Ozen et al.*

[[22]]

Czech

2002

159

0.23

100

0.17

Zeggini et al.

[23]

UK

2002

137

0.03

76

0.09

Miterski et al.

[9]

Germany

2004

130

0.02

375

0.03

Modesto et al.

[20]

Spain

2005

55

0.07

59

0.09

Schmeling et al.

[11]

Germany

2006

228

0.03

196

0.03

Kaalla et al.

Present

USA

 

639

0.04

749

0.06

TNFA G-308A

Ozen et al.*

[22]

Turkey

2002

51

0.25

93

0.31

Ozen et al.*

[22]

Czech

2002

159

0.27

100

0.16

Zeggini et al.

[23]

UK

2002

138

0.24

75

0.13

Miterski et al.

[9]

Germany

2004

122

0.17

312

0.16

Modesto et al.

[20]

Spain

2005

55

0.13

59

0.12

Schubert et al.

[12]

Germany

2006

86

0.15

270

0.15

Schmeling et al.

[11]

Germany

2006

228

0.14

196

0.17

Mourao et al.

[21]

Portugal

2009

115

0.12

118

0.11

Kaalla et al.

Present

USA

 

629

0.14

729

0.17

  1. *Bolded studies were removed from analysis due to evidence for heterogeneity, using Cochran’s Q test (p < 0.10 threshold).