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Table 4 Stratified analysis of the association of PGR polymorphism with breast cancer under dominant model

From: No association between the progesterone receptor gene polymorphism (+331G/a) and the risk of breast cancer: an updated meta-analysis

Subgroup analysis

+331G/A

 

n

OR

95% CI

pz

I2 (%)

ph

Overall

12

1.140

1.015–1.279

0.027

36.0

0.103

Ethnicity

 Caucasians

10

1.116

0.978–1.272

0.102

42.6

0.074

 Han

1

1.749

0.890–3.438

0.105

–

–

 mixed race

1

1.170

0.905–1.513

0.231

–

–

Source of controls

 Population-based

8

1.046

0.934–1.171

0.440

0.0

0.586

 Hospital-based

4

1.295

1.087–1.543

0.004

36.2

0.195

  1. n the number of studies, p z p value for association test, p h p value for heterogeneity test
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BMC Medical Genetics

ISSN: 1471-2350

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