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Table 4 DRD2 Nco I allele frequencies in individuals with or without migraine with aura, anxiety disorders, or major depression

From: Comorbid Migraine with Aura, Anxiety, and Depression Is Associated with Dopamine D2 Receptor (DRD2) NcoI Alleles

 

C

T

Chi square

p value

MWA, anxiety or depression

0.80

0.20

17.13

0.00002

No MWA, anxiety or depression

0.63

0.37

  
  1. Results from current study. Clinical diagnoses were based on DSM criteria for anxiety disorders (20) and major depression (21) and on IHS criteria for MWA (18).