Table 1 Patient characteristics

1

21

Status epilepticus or uncontrolled seizures

17

Alive

11

9

2

77

Pulmonary haemorrhage not defined

Thoracic or thoraco-abdominal aortic aneurysm

22

Alive

21

12

3

84

Inhalation pneumonitis (smoke or gases)

19

Alive

11

12

4

44

Pneumonia, no organism isolated

Depression

14

Alive

9

5

5

84

Haemorrhage or haematoma from pelvis, long bones or joints

Fractured ribs

23

Alive

30

12

6

65

Intracerebral haemorrhage

Secondary hydrocephalus

20

Alive

5

2

7

30

Traumatic rupture or laceration of liver

Hypovolaemic shock

16

Alive

17

13

8

68

Lung collapse or atelectasis

Lung abscess

16

Alive

23

6

9

46

Primary (diffuse) brain injury

Lumbar spine fracture or ligamentous injury

25

Alive

27

26

10

47

Primary (diffuse) brain injury

Amputation of limb

15

Alive

10

6

11

72

Primary (diffuse) brain injury

Traumatic subarachnoid haemorrhage

19

Alive

9

7

12

76

Abdominal aortic aneurysm, ruptured

Acute renal failure due to haemodynamic causes

18

Dead

12

7

13

45

Primary (diffuse) brain injury

Pneumonitis due to food and vomit

10

Alive

13

10

14

18

Traumatic myocardial perforation

Anoxic or ischaemic coma or encephalopathy

12

Alive

22

17

15

36

Tracheal trauma or perforation

Traumatic pneumothorax

19

Alive

20

12

16

28

Traumatic subdural haemorrhage

Focal brain injury

9

Alive

10

8

17

58

Chronic obstructive pulmonary disease with acute exacerbation, unspecified

15

Alive

3

1

18

79

Traumatic subdural haemorrhage

28

Alive

6

4

19

67

Pneumonia, no organism isolated

Pleural effusion

24

Alive

12

9

Mean

53.3

17.3

13.9

9.2

SD

21.7

5.0

7.6

5.7

Median

9

IQR

6-12