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Table 3 Allele frequencies of gene polymorphism in Chinese population

From: Case-control study of GRIA1 and GRIA3 gene variants in migraine

Gene SNP Group Allele n(%) P
GRIA1 rs548294   G A  
Migraine 448(67.7) 214(32.3) .752
MA 72(76.6) 22(23.4) .110
MO 376(66.2) 192(33.8) .394
Control 452(68.5) 208(31.5)  
rs2195450   C T  
Migraine 557(84.1) 105(15.9) .001*
MA 77(81.9) 17(18.1) .012**
MO 480(84.5) 88(15.5) .002***
Control 597(90.5) 63(9.5)  
GRIA3 rs3761555   G A  
Migraine 424(64.0) 238(36.0) .579
MA 61(64.9) 33(35.1) .663
MO 363(63.9) 205(36.1) .629
Control 413(62.5) 247(37.4)  
  1. Abbreviations: MA migraine with aura, MO migraine without aura, SNP single nucleotide polymorphisms, CI confidence interval
  2. *All female migraine patients compared with controls by allele: odds ratio =1.786, 95 % CI: 1.28–2.49, P < .017
  3. **MA compared with controls by allele: odds ratio =2.092, 95 % CI: 1.17–3.76, P < .017
  4. ***MO compared with controls by allele: odds ratio =1.737, 95 % CI: 1.23–2.45, P < .017