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Table 3 Demographic details of recruited cases among sTBI, non-TBI and control groups

From: Myelin degradation, axonal changes and expression trajectories of glial cells stimulated by rapid head insult in humans to estimate approximate time elapsed since trauma

Variables

sTBI (n = 68)

Non-TBI (n = 22)

Control (n = 10)

p-value

Age category [n (%)]

   

0.06

  < 21 years

0 (0.00)

1 (4.2)

1 (10)

 

 21–30 years

21 (31.3)

10 (41.7)

1 (10)

 

 31–40 years

14 (20.3)

5 (22.7)

6 (60)

 

 41–50 years

16 (23.4)

4 (16.7)

1 (10)

 

 51–60 years

17 (25.1)

2 (9.1)

1 (10)

 

Sex (male:female)

55:13

10:1

9:1

 

Initial GCS: 3–8

68 (100)

–

10(100)

 < 0.001

 9–15

0 (0.0)

22 (100)

–

 

Survival time (hours) [median (min.-max.)]

40.5 (0–1121.5)

1.34 (0–550.1)

0 (0.0–0.0)

 < 0.001

Causative instrument of head trauma [n (%)]

   

 < 0.001

 Motor vehicular accident

51 (75.0)

12 (54.5)

–

 

 Fall

14 (20.5)

3 (13.6)

–

 

 Assault/homicide

1 (1.5)

6 (27.4)

–

 

 Suicide

0 (0.0)

0 (0.0)

10 (100)

 

 Human-animal encounter

2 (3.0)

1 (4.5)

–

 

Circumstances of head trauma [n (%)]

    

 Front impact crash

6 (11.7)

1 (8.3)

0

0.67

 Rear impact crash

14 (27.5)

4 (33.4)

0

 

 Side impact crash

12 (23.5)

5 (41.7)

0

 

 Skid

8 (15.7)

1 (8.3)

0

 

 Hit fixed object

4 (7.9)

0 (0.0)

0

 

 Unknown

7 (13.7)

1 (8.3)

0

 
  1. sTBI severe traumatic brain injury, non-TBI nontraumatic brain injury, GCS Glasgow Coma Score, PM post mortem, n number, % percentage, SD standard deviation, min. minimum, max. maximum; p-value < 0.05