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Table 1 Characteristics of patients with mild traumatic brain injury (mTBI) in the first and sixth week

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

Patient characteristic

First week visit (n = 192)

Sixth week visit (n = 103)

Gender, no. (%)

 Female

131 (68.2)

67 (65.0)

 Male

61 (31.8)

36 (35.0)

Age, yearsa

39.3 ± 15.4

40.4 ± 15.6

Injury mechanism, no. (%)

 Traffic accidents

107 (55.7)

47 (45.6)

 Falls

59 (30.7)

40 (38.8)

 Other

26 (13.5)

16 (15.5)

GCS score at EDb

15 [15–15]

15 [15–15]

GOSEb

7 [6–8]

7 [6–8]

BAI scorea

8.91 ± 9.32

7.51 ± 8.37

BDI scorea

8.91 ± 7.94

8.09 ± 8.04

Antidepressant medication use

3 (1.6)

2 (1.9)

Anti-anxiety medication use

5 (2.6)

4 (3.9)

Hypnotic medication use

8 (4.2)

4 (3.9)

  1. IQR interquartile range, GCS Glasgow Coma Score, ED Emergency department, GOSE Extended Glasgow Outcome Scale, BAI Beck Anxiety Inventory, BDI Beck Depression Inventory
  2. aMean ± standard deviation
  3. bMedian [IQR]