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Table 4 Meta-regression analyses of potential source of heterogeneity

From: Factor V Leiden 1691G > A mutation and the risk of recurrent pregnancy loss (RPL): systematic review and meta-analysis

Heterogeneity Factor

 

Coefficient

SE

T-test

P-value

95% CI

 

UL

LL

Publication Year

Dominant

0.296

0.31

0.85

0.39

−0.365

0.905

Over-Dominant

0.211

0.26

0.79

0.43

−0.325

0.747

Allelic model

0.159

0.20

0.77

0.44

−0.257

0.576

GA vs. GG

0.253

0.29

0.86

0.39

−0.341

0.848

Continent

Dominant

0.879

1.92

0.46

0.65

−2.99

4.74

Over-Dominant

0.498

1.63

0.30

0.76

−2.79

3.78

Allelic model

0.650

1.27

0.51

0.61

−1.90

3.20

GA vs. GG

0.72

1.80

0.40

0.69

−2.90

4.35

Genotyping Methods

Dominant

−0.04

1.35

−0.04

0.97

−2.76

2.66

Over-Dominant

0.028

1.15

0.02

0.98

−2.29

2.35

Allelic model

− 0.115

0.89

−0.13

0.89

−1.92

1.68

GA vs. GG

0.016

1.26

0.01

0.98

−2.52

2.55