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Table 2 Association analysis between rs6265 polymorphism and BAI scores in the first week following mTBI

From: The association between BDNF Val66Met polymorphism and emotional symptoms after mild traumatic brain injury

Genotype Sample no. (%) BAI scorea Codominant p value Dominant p value Recessive p value Log-additive p value
Total (n = 184)
 TT 40 (21.7) 11.41 ± 1.88 0.083 0.117 0.043* 0.028*
 CT 89 (48.4) 9.67 ± 1.20     
 CC 55 (29.9) 6.39 ± 1.35     
Male (n = 57)
 TT 14 (24.6) 8.80 ± 1.97 0.037* 0.054 0.022* 0.010*
 CT 24 (42.1) 6.15 ± 2.52     
 CC 19 (33.3) 4.36 ± 1.56     
Female (n = 127)
 TT 26 (20.5) 12.94 ± 2.72 0.229 0.400 0.091 0.119
 CT 65 (51.2) 10.81 ± 1.34     
 CC 36 (28.3) 7.50 ± 1.89     
  1. aMean ± standard error (s.e.). The p value was adjusted for GCS, GOSE, injury mechanism, antidepressant medication use and hypnotic medication use. *p < 0.05 is labeled in bold