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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