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Table 2 Description of surviving patients with impaired consciousness (GCS <14) and regained consciousness (GCS14 and 15) at 14 days

From: Prehospital risk factors of mortality and impaired consciousness after severe traumatic brain injury: an epidemiological study

  Total GCS 14/15 GCS ≤13  
  N missing N (%) N (%) N (%) P values
   N = 411 N = 307 N = 104  
Patient-related risks      
Female 0 103 (25.1) 81 (26.4) 22 (21.2) 0.287
Age (median, IQR) 0 53 (34-68) 53 (33-69) 47 (25-64) 0.027
GCS in ED (median, IQR) 6 9 (3-14) 13 (3-15) 3 (3-4) <0.0001
Abnormal pupil reaction in ED 13 69 (17.3) 38 (12.8) 31 (31.0) <0.0001
ISS (median, IQR) 0 25 (20-32) 25 (17-29) 29 (25-38) <0.0001
HAIS 4 0 216 (52.6) 184 (59.9) 32 (30.8) <0.0001
HAIS 5   195 (47.5) 123 (40.1) 72 (69.2)  
Falls 0 205 (49.9) 163 (53.1) 42 (40.4) 0.009
Road traffic accidents   139 (33.8) 91 (29.6) 48 (46.2)  
Others mechanisms   67 (16.3) 53 (17.3) 14 (13.5)  
Treatable prehospital risks      
Hypotension (syst BP <90) 0 12 (2.9) 7 (2.3) 5 (4.8) 0.009
Hypoxemia 4 36 (8.9) 14 (4.6) 22 (21.2) <0.0001
Hypothermic 0 83 (20.2) 51 (16.6) 32 (30.8) 0.002
Intervention-related risks      
Time (median, IQR) [min] 107 50 (38-75) 57 (43-75) 49 (36-77) 0.092
Direct admission 0 306 (74.5) 216 (70.6) 90 (86.5) 0.001
Indirect admission   105 (25.6) 91 (29.4) 14 (13.5)