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Table 2 Genotype and allele frequency distribution of BDNF SNPs in HCs and FMS patients

From: Polymorphisms of brain-derived neurotrophic factor genes are associated with anxiety and body mass index in fibromyalgia syndrome patients

Group   Genoytpes   Allele
rs2049046 p HWE# rs2049046
AA AT TT A T
HC (n = 42) n 8 27 7 0.063 43 41
FMS (n = 72) n 26 33 13 0.656 85 59
χ2   p > 0.05$   p > 0.05$
   OR: 0.55   
  rs7124442 p HWE# rs7124442
AA GA GG   A G
HC (n = 42) n 21 19 2 0.373 41 23
FMS (n = 72) n 38 28 6 0.794 104 40
χ2   p > 0.05$   p > 0.05$
   OR: 1.02   
  1. HWE Hardy–Weinberg equilibrium, OR odds ratio
  2. $χ2 Fisher’s exact test
  3. #Chi-square test