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Table 1 Description of surviving and not surviving patients at 14 days

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

 

Total

Survivors

Non survivors

 
 

N missing

N (%)

N (%)

N (%)

P values

  

N = 589

N = 430

N = 159

 

Patient-related risks

     

Female

0

146 (24.8)

108 (25.1)

38 (23.9)

0.761

Age (median, IQR)

0

55 (33-70)

52 (31-67)

62 (42-80)

<0.0001

GCS in ED (median, IQR)

8

4 (3-14)

9 (3-14)

3 (3-4)

<0.0001

Abnormal pupil reaction in ED

17

167 (29.2)

75 (18.0)

92 (59.0)

<0.0001

ISS (median, IQR)

0

25 (21-34)

25 (20-32)

25 (25-38)

<0.0001

HAIS 4

0

247 (41.9)

223 (51.9)

24 (15.1)

<0.0001

HAIS 5

 

330 (56.0)

207 (48.1)

123 (77.4)

 

HAIS 6

 

12 (2.0)

0 (0)

12 (7.6)

 

Falls

0

307 (52.1)

218 (50.7)

89 (56.0)

0.495

Road traffic accidents

 

190 (32.3)

144 (33.5)

46 (28.9)

 

Others mechanisms

 

92 (15.6)

68 (15.8)

24 (15.1)

 

Treatable prehospital risks

     

Hypotension (syst BP <90)

1

24 (4.1)

12 (2.8)

12 (7.6)

0.009

Hypoxemia

9

73 (12.6)

41 (9.6)

32 (20.8)

<0.0001

Hypothermic

0

146 (24.8)

90 (20.9)

56 (35.2)

<0.0001

Intervention-related risks

     

Time (median, IQR) [min]

137

50 (37-72)

50 (38-75)

48 (36-65)

0.264

Direct admission

0

451 (76.6)

322 (74.9)

129 (81.1)

0.112

Indirect admission

 

138 (23.4)

108 (25.1)

30 (18.9)

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