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Table 3 Results of subgroup analysis

From: Association of TNF-α genetic polymorphisms with recurrent pregnancy loss risk: a systematic review and meta-analysis

Gene polymorphism

Inherited model

Subgroup

Heterogeneity -test

Analysis modela

Pooled OR (95% CI)

P

P for Q test

I 2 (%)

-308G/A

Codominant

(A vs. G)

Asian

0.848

0

REM

0.601 [0.468, 0.773]

<0.001

No-Asian

0.026

72.6

REM

0.864 [0.518, 1.443]

0.577

Homozygous

(AA vs. GG)

Asian

0.946

0

FEM

0.345 [0.165, 0.723]

0.005

No-Asian

0.373

0

FEM

0.561 [0.277, 1.136]

0.109

Heterozygous

(AA vs. GA)

Asian

0.945

0

FEM

0.467 [0.213, 1.026]

0.058

No-Asian

0.220

33.9

FEM

0.569 [0.272, 1.192]

0.135

Dominant (AA+ GA vs. GG)

Asian

0.163

41.4

REM

0.747 [0.513, 1.089]

0.130

No-Asian

0.046

55.7

REM

0.886 [0.581, 1.351]

0.573

Recessive (AA vs. GA+GG)

Asian

0.969

0

FEM

2.759 [1.322, 5.76]

0.007

No-Asian

0.449

0

FEM

1.703 [0.846, 3.426]

0.136