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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