Table 1 Demographical and clinical characteristics of the mTBI and HC groups.

From: Hair cortisol as a marker of stress in mild traumatic brain injury: a challenging measure

 

mTBI

n = 61

HC

n = 24

Statistic

P-value

Sex – male, n (%)

36 (59%)

11 (46%)

χ2 = 0.74

0.39

Age, median (IQR)

36.0 (27.0)

31.5 (17.3)

U = 745.0

0.90

Education type, median (range)

6 (3–7)*

6 (5–7)

χ2 = 2.72

0.84

Injury mechanism, n (%)

Car accident

5 (8%)

-

-

-

Cyclist

26 (43%)

-

-

-

Pedestrian vs. car

1 (2%)

-

-

-

Scooter/moped/motorbike

8 (13%)

-

-

-

Falls

15 (25%)

-

-

-

Sports

2 (3%)

-

-

-

Violence

1 (2%)

-

-

-

Other

3 (5%)

-

-

-

Loss of consciousness, yes, n (%)

35 (57%)

-

-

-

Post-traumatic amnesia, yes, n (%)

56 (92%)

-

-

-

CT abnormalities, n (%)

14 (23%)**

-

-

-

GCS score, (median, range)

15 (14–15)

-

-

-

  1. *Available data for n = 60 patients.
  2. **Available data for n = 60 patients.
  3. GCS, Glasgow Coma Scale.