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Table 2 Characteristics of individual studies included in the meta-analysis of PCSK9 E670G polymorphism and lipid levels

From: The associations between proprotein convertase subtilisin/kexin type 9 E670G polymorphism and the risk of coronary artery disease and serum lipid levels: a meta-analysis

First author

Year

Country

Ethnicity

Type of study

Subpopulation

Genotype

Number (n)

TC (mmol/l)

TG (mmol/l)

HDL-C (mmol/l)

LDL-C (mmol/l)

Genotyping method

M

SD

M

SD

M

SD

M

SD

Chen SN 1 [13]

2005

American

Mixed

Cohort

LCAS population

AA

324

5.69

0.62

1.83

0.64

1.14

0.29

3.72

0.51

Allelic discrimination assays

      

AG + GG

48

5.82

0.66

1.66

0.63

1.16

0.31

3.89

0.57

Chen SN 2 [13]

2005

American

Caucasian

Cohort

TexGen population

AA

292

NA

NA

NA

NA

NA

NA

2.28

0.65

Allelic discrimination assays

      

AG + GG

27

NA

NA

NA

NA

NA

NA

2.43

0.55

Evans D 1 [14]

2006

Germany

Caucasian

Cohort

Male group

AA

190

6.05

1.4

1.39

0.45

1.16

0.31

4.29

1.34

PCR-RFLP

      

AG + GG

26

6.57

1.48

1.55

0.44

1.2

0.29

4.65

1.37

 

Evans D 2 [14]

2006

Germany

Caucasian

Cohort

Female group

AA

210

6.83

1.45

1.32

0.45

1.55

0.44

4.65

1.45

PCR-RFLP

      

AG + GG

18

6.65

1.47

1.22

0.23

1.58

0.52

4.5

1.37

 

Scartezini M [15]

2007

UK

Caucasian

Cohort

NPHSII men

AA

930

5.73

0.99

NA

NA

0.81

0.24

3.98

0.94

PCR-RFLP

      

AG + GG

135

5.65

0.96

NA

NA

0.83

0.26

3.92

0.94

 

Polisecki E 1 [17]

2008

American

Caucasian

Cohort

Male group

AA

2455

5.25

0.03

NA

NA

NA

NA

3.47

0.03

Taqman

      

AG + GG

165

5.26

0.06

NA

NA

NA

NA

3.47

0.06

 

Polisecki E 2 [17]

2008

American

Caucasian

Cohort

Female group

AA

2638

5.71

1.73

NA

NA

NA

NA

3.73

1.59

Taqman

      

AG + GG

158

5.85

0.95

NA

NA

NA

NA

3.84

0.84

 

Hsu LA 1 [10]

2009

Taiwan

Asian

C-C

CAD group

AA

541

5.14

0.96

1.59

1.3

1.42

0.37

3.02

0.85

PCR-RFLP

      

AG

73

4.95

0.96

1.72

1.53

1.44

0.36

2.78

0.82

 

Hsu LA 2 [10]

2009

Taiwan

Asian

C-C

Control group

AA

182

5.29

1.31

2.32

2.07

1.04

0.27

3.25

1.17

PCR-RFLP

      

AG

20

5.28

0.74

2.48

1.4

1.07

0.33

3.41

0.6

 

Norata GD 1 [18]

2010

Italy

Caucasian

Cohort

PLIC study

AA

1466

5.71

0.98

1.2

0.79

1.42

0.38

3.74

0.9

Taqman

      

AG + GG

75

5.99

1.2

1.16

0.58

1.45

0.35

4.01

1.07

 

Norata GD 2 [18]

2010

Italy

Caucasian

Cohort

Ventimiglia study

AA

728

4.76

0.99

NA

NA

NA

NA

3.02

0.86

Taqman

      

AG + GG

48

4.89

0.98

NA

NA

NA

NA

3.23

0.87

 

Zeng J [19]

2011

China

Asian

C-C

CAD group

AA

167

3.73

0.8

1.5

0.59

1.26

0.38

2.16

0.73

PCR-RFLP

      

AG + GG

45

4.25

1.38

1.87

1.16

1.26

0.41

2.58

1.08

 

Meng YH [7]

2011

China

Asian

C-C

CAD group

AA

146

4.41

0.72

0.99

0.62

1.48

0.51

2.22

0.63

PCR-RFLP

      

AG

19

4.63

1.21

1.17

0.97

0.98

0.84

3.02

0.97

 

Aung LHH 1 [21]

2013

China

Asian

Cohort

non-drinker group

AA

744

4.59

0.99

1.23

0.92

1.82

0.49

2.55

0.82

PCR-RFLP

      

AG

41

5.01

1.25

1.09

0.78

1.86

0.51

2.68

0.86

 

Aung LHH 2 [21]

2013

China

Asian

Cohort

Drinker group

AA

543

4.84

1.07

1.02

0.73

1.74

0.44

2.94

0.81

PCR-RFLP

      

AG

24

4.55

0.64

1.1

0.58

1.63

0.5

2.69

0.44

 

Mayne J [20]

2013

Canada

Caucasian

Cohort

African Canadian population

AA

192

5.56

1.14

1.59

0.77

1.2

0.4

3.64

1.01

PCR + full exonic sequencing

      

AG

15

5.11

1.12

1.27

0.48

1.1

0.3

3.45

1.11

Slimani A 1 [8]

2014

Tunisian

African

C-C

CAD group

AA

148

NA

NA

1.69

0.86

1

0.36

NA

NA

PCR-RFLP

      

AG + GG

44

NA

NA

1.97

0.96

1.03

0.16

NA

NA

 

Slimani A 2 [8]

2014

Tunisian

African

C-C

IS group

AA

90

NA

NA

1.58

0.75

1.35

0.4

NA

NA

PCR-RFLP

      

AG + GG

24

NA

NA

1.47

0.58

1.04

0.19

NA

NA

 

Anderson JM 1 [22]

2014

Brazil

Caucasian

C-C

HC group

AA

91

7.21

0.96

1.87

0.8

1.45

0.36

4.89

0.88

Taqman

      

AG + GG

37

7.4

0.96

1.81

0.76

1.5

0.31

4.94

0.8

 

Anderson JM 2 [22]

2014

Brazil

Caucasian

C-C

NL group

AA

131

4.47

0.47

0.91

0.32

1.53

0.36

2.53

0.47

Taqman

      

AG + GG

40

4.5

0.49

0.95

0.3

1.47

0.26

2.59

0.47

 

Zhang L 1 [23]

2014

China

Asian

C-C

CAD group

AA

291

4.07

1.16

1.82

0.79

1.37

0.16

2.29

0.77

PCR-RFLP

      

AG + GG

125

4.49

1.31

1.87

1.09

1.31

0.25

2.5

0.74

 

Zhang L 2 [23]

2014

China

Asian

C-C

Control group

AA

212

4.67

0.62

1.45

1.16

1.49

0.21

2.67

0.81

PCR-RFLP

      

AG

45

4.53

0.33

1.37

0.88

1.4

0.21

2.63

0.8

 

Jeenduang N 1 [24]

2015

Thai

Asian

Cohort

Male group

AA

132

5.54

1.3

1.46

0.84

1.32

0.35

3.66

1.13

PCR-RFLP

      

AG

3

5.82

2.25

1.4

0.92

1.19

0.21

4

2.06

 

Jeenduang N 2 [24]

2015

Thai

Asian

Cohort

Female group

AA

347

5.54

1.22

1.22

0.74

1.45

0.34

3.62

0.95

PCR-RFLP

      

AG

13

5.99

0.94

1.01

0.35

1.49

0.23

4.04

0.94

 

Mo YQ [26]

2015

China

Asian

C-C

CAD group

AA

87

4.48

0.81

0.97

0.58

1.49

0.47

2.12

0.72

DNA sequencing

      

AG

13

4.56

0.97

1.05

0.89

0.97

0.73

3.01

0.83

 
  1. C-C case–control, CAD coronary artery disease, IS ischemic stroke, NA not available, HC hypercholesterolemics, NL normolipidemics, UK United Kingdom, PCR-RFLP polymerase chain reaction- restriction fragment length polymorphism