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Table 3 Association analysis between rs6265 polymorphism and BAI scores in the sixth 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 = 103)
 TT 16 (15.5) 6.64 ± 2.20 0.578 0.300 0.850 0.423
 CT 55 (53.4) 7.85 ± 1.36     
 CC 32 (31.1) 8.21 ± 1.96     
Male (n = 36)
 TT 5 (13.9) 10.33 ± 6.57 0.060 0.225 0.019* 0.038*
 CT 20 (55.6) 6.36 ± 2.33     
 CC 11 (30.6) 2.38 ± 1.00     
Female (n = 67)
 TT 11 (16.4) 5.25 ± 1.96 0.166 0.082 0.193 0.059
 CT 35 (52.2) 8.59 ± 1.69     
 CC 21 (31.3) 11.13 ± 2.62     
  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