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Table 1 Demographics, type of activity leading to the accident and mechanism of injury, subdivided by the three subgroups

From: Severe traumatic brain injury and hypotension is a frequent and lethal combination in multiple trauma patients in mountain areas – an analysis of the prospective international Alpine Trauma Registry

 

TBI with hypotension

(group 1) n = 50

TBI without hypotension

(group 2) n = 92

No TBI (group 3)

n = 145

p-value

Demographics

 Age, years, mean ± SD

46.4 ± 19.2

42.4 ± 18.5

44.5 ± 17.2

0.452

 Female sex, n (%)

16 (32%)

20 (22%)

21 (14%)

0.024

Type of activity

 Aviation, n (%)

1 (2%)

4 (4%)

15 (10%)

0.066

 Climbing, n (%)

6 (12)

15 (16%)

16 (11%)

0.478

 Hiking, n (%)

22 (44%)

24 (26%)

26 (18%)

0.001

 Mountain biking, n (%)

0 (0%)

2 (2%)

10 (7%)

0.056

 Ski / snowboard, n (%)

11 (22%)

33 (36%)

53 (37%)

0.141

 Sledging, n (%)

2 (4%)

2 (2%)

3 (2%)

0.738

 Other, n (%)

8 (16%)

11 (12%)

21 (15%)

0.786

Mechanism of injury

 Avalanche, n (%)

1 (2%)

4 (4%)

8 (6%)

0.579

 Collision with object / other person, n (%)

11 (22%)

29 (32%)

27 (19%)

0.087

 Fall, n (%)

37 (76%)

59 (64%)

105 (74%)

0.203

 Other, n (%)

0 (0%)

0 (0%)

2 (1%)

0.368

  1. Tests performed were Pearson’s chi-squared tests, except for age ANOVA
  2. TBI traumatic brain injury