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Table 1 Patients characteristics in the GH group and the RTC group (n = 274)

From: Moderate and severe traumatic brain injury in general hospitals: a ten-year population-based retrospective cohort study in central Norway

 

GH group

RTC groupa

p-value

n = 137

n = 137

 

Age in years, median [IQR]

78 [55, 87]

54 [33, 68]

< 0.001

Age in years, mean (SD)b

68 (23)

52 (21)

N/A

Patients ≥ 80 years old, n (%)

57 (42)

11 (8)

< 0.001

Male, n (%)

90 (66)

108 (79)

0.015

Preinjury functional disability, n (%) yes (%)

69 (50)

54 (39)

0.037

 Missing

8 (6)

4 (3)

N/A

Antithrombotic medication, n (%)

66 (48)

38 (28)

< 0.001

 Missing

11 (8)

1 (1)

N/A

Anticoagulant use, n (%)

19 (14)

12 (9)

0.106

 Missing

13 (9)

1 (1)

N/A

Alcohol intoxication, n (%)

25 (18)

44 (32)

0.009

Cause of injury, n (%)

 Fall

111 (81)

75 (55)

< 0.001

 Motor vehicle accident

17 (12)

41 (30)

< 0.001

 Other cause

7 (5)

17 (12)

N/A

Admission GCS score, median [IQR]

10 [5, 12]

8 [5, 13]

0.827

 Missing, n (%)

30 (22%)

4 (3%)

N/A

Admission GCS score of 13, n (%)

13 (9%)

17 (12%)

0.883

Severity of TBI at admission, n (%)

 Severe TBI

53 (39)

72 (53)

0.021

 Moderate TBI

71 (52)

48 (35)

0.005

 Mild TBI

13 (9)

17 (12)

0.439

Trauma team activation, n (%)

48 (35)

78 (57)

< 0.001

Extracranial injury, n (%)

58 (42)

68 (50)

0.224

Extracranial surgery, n (%)

18 (13)

44 (32)

< 0.001

ICU stay, n (%)

109 (80)

128 (93)

< 0.001

Neurosurgical procedure, n (%)

94 (69)

  1. Number of missing cases not stated when frequency < 5%
  2. GCS Glasgow coma scale, GH General hospital, IQR Interquartile range, N/A Not applicable, RTC Regional trauma centre, SD Standard deviation, TBI Traumatic brain injury
  3. Bold font indicates statistical significance
  4. aTwo patients were transferred to a different RTC than St. Olavs Hospital due to extraordinary circumstances
  5. bStatistical analyses were not conducted due to non-normality in the two groups