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Table 1 Characteristics of the individual studies included in the meta–analysis

From: Association of genetic polymorphisms in vascular endothelial growth factor with susceptibility to coronary artery disease: a meta–analysis

Study

Country

Ethnicity

Disease

Control Source

Genotyping Methods

Sample Size Cases/Controls

Genotype Distribution

PHWE

NOS

Cases

Controls

rs699947

      

AA/AC/CC

AA/AC/CC

  

Biselli 200823

Brazil

Caucasian

CAD

HB

PCR

175/108

32/96/47

27/51/30

0.569

6

Kangas–Kontio 200925

Finland

Caucasian

MI

HB

TaqMan

188/218

64/87/37

77/101/40

0.498

7

Chen 201126

UK

Caucasian

MI

PB

PCR–RFLP

46/372

10/34/2

100/167/105

0.050

8

Amoli 201227

Iran

Asian

CAD

HB

PCR

50/50

9/26/15

14/27/9

0.520

6

Cui 201328

China

Asian

CAD

HB

PCR

242/253

27/78/137

12/69/172

0.148

6

Gu 201329

China

Asian

CAD

HB

MassARRAY

427/472

30/178/219

31/174/267

0.713

6

Li 201622

China

Asian

CAD

PB

PCR

533/533

180/250/103

217/237/79

0.280

8

Liu 201631

China

Asian

CAD

PB

PCR

810/805

275/381/154

339/345/121

0.03

8

rs2010963

      

GG/GC/CC

GG/GC/CC

  

Petrovic 200724

Slovenia

Caucasian

MI

PB

PCR

143/228

42/76/25

103/104/21

0.470

7

Kangas–Kontio 200925

Finland

Caucasian

MI

HB

TaqMan

186/218

113/61/12

143/67/8

0.966

7

Chen 201126

UK

Caucasian

MI

PB

PCR–RFLP

46/372

26/19/1

174/159/39

0.765

8

Cui 201328

China

Asian

CAD

HB

PCR

242/253

75/102/65

104/114/35

0.675

6

Gu 201329

China

Asian

CAD

HB

MassARRAY

419/468

144/215/60

154/225/89

0.672

6

Douvaras 201332

Greece

Caucasian

MI

HB

PCR–RFLP

102/98

37/49/16

29/55/14

> 0.050

7

Moradzadegan 201530

Iran

Asian

CAD

HB

PCR–RFLP

141/369

43/65/33

85/197/87

0.193

7

Han 201521

China

Asian

CAD

HB

MassARRAY

144/150

69/49/26

86/54/10

0.701

6

Li 201622

China

Asian

CAD

PB

PCR

533/533

50/233/250

71/239/223

0.583

8

Nia 201733

Iran

Asian

CAD

HB

TaqMan

347/173

167/135/45

102/63/8

> 0.050

7

rs3025039

      

CC/CT/TT

CC/CT/TT

  

Biselli 200823

Brazil

Caucasian

CAD

HB

PCR

175/108

133/36/6

83/23/2

0.783

6

Kangas–Kontio 200925

Finland

Caucasian

MI

HB

TaqMan

187/218

140/42/5

155/56/7

0.488

7

Chen 201126

UK

Caucasian

MI

PB

PCR–RFLP

46/372

37/8/1

264/95/13

0.229

8

Cui 201328

China

Asian

CAD

HB

PCR

242/253

133/95/14

159/86/8

0.373

6

Gu 201329

China

Asian

CAD

HB

MassARRAY

430/473

272/142/16

300/159/14

0.194

6

Douvaras 201332

Greece

Caucasian

MI

HB

PCR–RFLP

102/98

68/30/4

69/27/2

> 0.050

7

Han 201521

China

Asian

CAD

HB

MassARRAY

144/150

84/55/5

115/31/4

0.290

6

Liu 201631

China

Asian

CAD

PB

PCR

810/805

472/308/30

617/167/21

0.020

8

rs1570360

      

GG/GA/AA

GG/GA/AA

  

Biselli 200823

Brazil

Caucasian

CAD

HB

PCR

175/108

96/61/18

57/38/13

0.104

6

Cui 201328

China

Asian

CAD

HB

PCR

242/253

151/79/12

172/69/12

0.148

6

Liu 201631

China

Asian

CAD

PB

PCR

810/805

54/370/386

137/456/212

> 0.050

8

  1. Abbreviations: CAD coronary artery disease; MI myocardial infarction; PCR polymerase chain reaction; PCR–RFLP polymerase chain reaction-restriction fragment length polymorphism; HWE Hardy–Weinberg equilibrium; PB population–based; HB hospital–based; NOS Newcastle–Ottawa quality scale; UK the United Kingdom