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

From: TGFB1 genetic polymorphisms and coronary heart disease risk: a meta-analysis

Study

Country

Design

Cases

Controls

Outcome

Genotypes

 

Genotypes

p_HWEc

rs1800468 (−800 G/A)

  

N

GG

AG

AA

N

GG

AG

AA

  

Crobu et al, 2008 [22]

Italy

CC

201

175

25

1

201

168

31

2

0.65

MI

Sie et al, 2006 [21]

Netherlands

CO

358

288

66

4

6098

5071

984

43

0.58

MI

Syrris et al,1998 [14]

England

CC

655

541

110

4

244

207

36

1

1

CAD

Cambien et al,1996 [16]

FR and NIE

CC

563

472

88

3

629

534

89

6

0.28

MI

rs1800469 (−509 C/T)

   

CC

CT

TT

 

CC

CT

TT

  

Sudomoina et al, 2010 [36]b

Russia

CC

264

77

150

37

212

90

103

19

0.22

MI

Drenos et al, 2009 [37]

England

CC

240

120

100

20

2143

1090

885

168

0.56

CAD

Crobu et al, 2008 [22]

Italy

CC

201

67

87

47

201

80

92

29

0.76

MI

Koch et al, 2006 [20]

Germany

CC

3657

1581

1659

417

1211

564

508

139

0.13

MI

Sie et al, 2006 [21]

Netherlands

CO

355

171

156

28

6037

3043

2441

553

0.05

MI

Syrris et al, 1998 [14]

England

CC

655

301

284

70

244

124

97

23

0.54

CAD

Cambien et al, 1996 [16]

FR and NIE

CC

563

240

257

66

629

263

297

69

0.29

MI

rs1982073 (868 T/C)

   

TT

TC

CC

 

TT

TC

CC

  

Najar et al, 2011 [11]

Iran

CC

900

301

424

175

900

395

403

102

1

MI

Crobu et al, 2008 [22]

Italy

CC

201

55

88

58

201

69

101

31

0.66

MI

Koch et al, 2006 [20]

Germany

CC

3657

1235

1802

620

1211

458

565

188

0.55

MI

Sie et al, 2006 [21]

Netherlands

CO

343

135

164

44

5844

2322

2698

824

0.37

MI

Yokota et al, 2000 [23]

Japan

CC

315

89

185

41

591

149

295

147

1

MI

Syrris et al, 1998 [14]

England

CC

655

242

306

107

244

102

109

33

0.68

CAD

Cambien et al, 1996 [16]

FR and NIE

CC

563

181

277

105

629

225

297

107

0.62

MI

rs1800471 (913 G/C)

   

GG

GC

CC

 

GG

GC

CC

  

Drenos et al, 2009 [37]

England

CC

234

187

45

2

2071

1723

331

17

0.78

CAD

Koch et al, 2006 [20]

Germany

CC

3657

3149

486

22

1211

1063

141

7

0.33

MI

Sie et al, 2006 [21]

Netherlands

CO

343

297

45

1

5844

4992

823

29

0.51

MI

Syrris et al, 1998 [14]

England

CC

655

558

95

2

244

214

30

0

0.61

CAD

Cambien et al, 1996 [16]

FR and NIE

CC

563

464

92

7

629

546

81

2

1

MI

rs1800472 (11929 C/T)

   

CC

CT

TT

 

CC

CT

TT

  

Drenos et al, 2009 [37]

England

CC

241

234

7

0

2145

2052

89

4

0.02

CAD

Koch et al, 2006 [20]

Germany

CC

3657

3421

231

5

1211

1138

72

1

1

MI

Syrris et al, 1998 [14]

England

CC

655

622

33

0

244

237

7

0

1

CAD

Cambien et al, 1996 [16]

FR and NIE

CC

590

563

27

0

629

585

42

2

0.20

MI

  1. FR and NIE, France and Northern Ireland; CC, case–control; CO, cohort; MI, myocardial infarction; CAD, coronary artery disease.
  2. a, For rs1800468, rs1982073 and rs1800471, 10090 additional subjects were included for the co-dominant model analysis from the PROCARDIS study [25]; for rs1800469, additional 10090 and 80016 subjects were included for the co-dominant model analysis, respectively from the PROCARDIS study [25] and the CARDIoGRAM study [24] (Additional file 2).
  3. b, Additional unpublished data have been included.
  4. c, The p values for Hardy-Weinberg equilibrium were derived from Fisher’s exact test.