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Table 4 Meta-analysis of the association between BDNF rs6265 and rs2049046 polymorphism and migraine

From: The association between brain-derived neurotrophic factor gene polymorphism and migraine: a meta-analysis

rs number

Studies

W Vs M (allele model)

WW + WM Vs MM (dominant model)

WW Vs WM + MM (recessive model)

WW Vs MM (additive model)

WW Vs WM (additive model)

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

rs6265(G/A)

5

0.86 (0.76, 0.99)

0.03

0.85 (0.56, 1.28)

0.42

0.84 (0.72, 0.98)

0.03

0.81 (0.53, 1.22)

0.31

0.85 (0.72, 1.00)

0.04

rs2049046(A/T)

4

0.88 (0.79, 0.98)

0.02

0.89 (0.75, 1.06)

0.18

0.80 (0.67, 0.96)

0.02

0.78 (0.62, 0.97)

0.02

0.81 (0.67, 0.99)

0.03

  1. Abbreviation: W wild allele, M mutant allele, WW wild homozygote, WM heterozygote, MM mutant homozygote