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Table 2 Main results of the meta-analysis of TGF-ß1 gene polymorphisms with the chronic HCV infection in total population

From: Association of TGF-ß1 polymorphisms and chronic hepatitis C infection: a Meta-analysis

SNPs

 

No.of study

Gene model

OR(95%CI)

P

Heterogeneity

Publication

text

bias

P(Q-test)

I2(%)

Begg’s

Egger’s

-509

Total

7

TT vs. CC

2.081 (1.249–3.466)

0.005

0.002

73.0

0.133

0.897

   

TC vs. CC

1.880 (1.162–3.044)

0.010

0.000

79.3

0.133

0.427

 

TT + TC vs. CC

2.042 (1.240–3.361)

0.005

0.000

83.7

0.133

0.529

 

TT vs. CC + TC

1.310 (1.114–1.542)

0.001

0.208

30.3

0.260

0.918

 

T vs. C

1.503 (1.126–2.006)

0.006

0.000

81.8

0.230

0.580

Asian

2

TT vs. CC

1.242 (0.983–1.569)

0.070

0.108

61.2

1.000

  

TC vs. CC

1.074 (0.939–1.227)

0.298

0.163

48.5

1.000

 

TT + TC vs. CC

1.077 (0.976–1.190)

0.140

0.102

62.6

1.000

 

TT vs. CC + TC

1.222 (0.942–1.585)

0.131

0.234

29.4

1.000

 

T vs. C

1.375 (0.823–2.297)

0.223

0.041

76.1

1.000

Caucasian (Iran)

2

T vs. C

1.007 (0.891–1.139)

0.907

0.584

0.0

1.000

Egyptian

3

TT vs. CC

3.060 (1.529–6.122)

0.002

0.046

67.5

0.296

0.895

  

TC vs. CC

3.123 (1.339–7.284)

0.008

0.002

84.2

0.296

0.080

 

TT + TC vs. CC

3.363 (1.477–7.655)

0.004

0.001

86.1

0.296

0.168

 

TT vs. CC + TC

1.462 (1.169–1.829)

0.001

0.260

25.8

0.296

0.981

 

T vs. C

2.276 (1.295–4.001)

0.004

0.000

87.0

0.296

0.247

codon 10

Total

9

CC vs. TT

0.961 (0.802–1.151)

0.664

0.473

0.0

1.000

0.880

codon 25

  

CT vs. TT

0.961 (0.884–1.045)

0.350

0.975

0.0

0.917

0.301

 

CC + CT vs. TT

0.972 (0.911–1.037)

0.390

0.987

0.0

0.917

0.726

 

CC vs. TT + CT

1.011 (0.823–1.241)

0.917

0.179

30.0

0.917

0.676

 

C vs. T

0.980 (0.907–1.060)

0.613

0.648

0.0

1.000

0.671

Asian

2

CC vs. TT

1.074 (0.801–1.441)

0.632

0.170

46.8

1.000

  

CT vs. TT

1.929 (0.804–1.073)

0.318

0.935

0.0

1.000

 

CC + CT vs. TT

0.973 (0.873–1.085)

0.624

0.514

0.0

1.000

 

CC vs. TT + CT

1.245 (0.886–1.748)

0.206

0.107

61.5

1.000

 

C vs. T

1.029 (0.903–1.174)

0.666

0.138

54.5

1.000

Caucasian

4

CC vs. TT

0.950 (0.703–1.284)

0.737

0.350

8.6

1.000

0.976

  

CT vs. TT

1.000 (0.876–1.142)

1.000

0.891

0.0

0.734

0.818

 

CC + CT vs. TT

0.991 (0.891–1.101)

0.859

0.930

0.0

1.000

0.448

 

CC vs. TT + CT

0.934 (0.668–1.305)

0.689

0.220

32.1

1.000

0.861

 

C vs. T

0.979 (0.865–1.109)

0.740

0.605

0.0

1.000

0.844

Mix (Brazilian)

2

CC vs. TT

0.853 (0.587–1.241)

0.406

0.370

0.0

1.000

  

CT vs. TT

0.904 (0.756–1.082)

0.270

0.916

0.0

1.000

 

CC + CT vs. TT

0.924 (0.806–1.058)

0.253

0.851

0.0

1.000

 

CC vs. TT + CT

0.912 (0.588–1.417)

0.683

0.279

14.6

1.000

 

C vs. T

0.921 (0.779–1.090)

0.338

0.477

0.0

1.000

Total

11

CC vs. GG

0.744 (0.455–1.218)

0.240

0.811

0.0

0.764

0.984

  

CG vs. GG

0.940 (0.567–1.559)

0.811

0.003

63.7

0.592

0.748

 

CC + CG vs. GG

0.935 (0.570–1.534)

0.790

0.003

64.6

0.592

0.740

 

CC vs. GG + CG

0.809 (0.483–1.356)

0.421

0.931

0.0

0.548

0.879

 

C vs. G

1.000 (0.670–1.494)

1.000

0.006

59.6

0.436

0.662

Asian

2

CC vs. GG

0.917 (0.530–1.588)

0.758

0.714

0.0

1.000

  

CG vs. GG

0.896 (0.680–1.181)

0.435

0.607

0.0

1.000

 

CC + CG vs. GG

0.917 (0.732–1.148)

0.449

0.737

0.0

1.000

 

CC vs. GG + CG

0.951 (0.536–1.687)

0.863

0.712

0.0

1.000

 

C vs. G

0.923 (0.733–1.163)

0.498

0.899

0.0

1.000

Caucasian

5

CC vs. GG

0.274 (0.063–1.190)

0.084

0.513

0.0

1.000

0.880

  

CG vs. GG

1.215 (0.563–2.623)

0.620

0.042

59.7

0.806

0.333

 

CC + CG vs. GG

1.130 (0.500–2.553)

0.769

0.023

64.8

0.806

0.349

 

CC vs. GG + CG

0.339 (0.072–1.600)

0.172

0.767

0.0

1.000

0.882

 

C vs. G

1.079 (0.518–2.247)

0.839

0.031

62.4

0.462

0.339

Mix (Brazilian)

2

CC vs. GG

0.890 (0.117–6.743)

0.910

0.651

0.0

1.000

  

CG vs. GG

0.648 (0.101–4.170)

0.648

0.014

83.6

1.000

 

CC + CG vs. GG

0.691 (0.102–4.690)

0.705

0.010

84.8

1.000

 

CC vs. GG + CG

0.984 (0.126–7.706)

0.988

0.762

0.0

1.000

 

C vs. G

0.769 (0.129–4.591)

0.774

0.012

84.0

1.000

Mix

3

C vs. G

1.038 (0.272–3.965)

0.956

0.003

83.3

1.000

0.205

  1. A random effects model was used when P-value for heterogeneity test was < 0.1; otherwise, a fixed effects model was used, and values in bold were statistically significant at P < 0.05. –, no number
  2. CI confidence interval, OR odds ratio, SNP single-nucleotide polymorphism, P (Q-test), P-value of Q-test for heterogeneity test