Table 1 Characteristics of survey respondents from the United States and Canada^a

Base specialty, %

   Neurology

55%

2%

29%

<0.0001

   Neurosurgery

23%

15%

19%

   Anesthesiology

10%

27%

19%

   Internal medicine

7%

37%

22%

   Emergency medicine

4%

6%

5%

   Surgery

1%

12%

6%

Years of experience, %

   0-3

34%

17%

26%

0.04

   4-7

15%

24%

20%

   8-10

10%

14%

11%

   11-15

22%

21%

21%

   16-20

7%

10%

9%

   >20

13%

14%

13%

Monitoring tools, %

   CT angiography

91%

88%

90%

0.50

   CT perfusion

69%

24%

46%

<0.0001

   Transcranial Doppler

89%

63%

76%

<0.0001

   P_btO₂ probes

34%

6%

21%

<0.0001

   Microdialysis catheters

8%

1%

4%

0.005^b

   Continuous CBF probes

14%

0

7%

<0.0001^b

   Jugular bulb oximetry

13%

12%

13%

0.79

   MRI perfusion

33%

17%

25%

0.002

   None of above

3%

4%

3%

0.75^b

Use of institutional transfusion protocol, %

55%

50%

52%

0.42