Skip to main content

Table 5 BIS ≥ 60 or StcO2 ≥ 70 are associated with survival, good neurological outcome, CPP, ICP, CAP Index, and ICP interventions

From: Severe brain injury ICU outcomes are associated with Cranial-Arterial Pressure Index and noninvasive Bispectral Index and transcranial oxygen saturation: a prospective, preliminary study

 

BIS ≥ 60/StcO2 ≥ 70 (percent)

BIS <60/StcO2 <70 (percent)

OR

95 percent CI

p value

Live

67.7

32.3

30.1

16.6–55.8

<0.0001

Die

6.5

93.5

   

Good neurological outcome

74.8

25.2

23.1

16.4–32.5

<0.0001

Poor neurological outcome

11.4

88.6

   

CPP ≥ 60

97.2

88.7

4.5

2.9–7.0

<0.0001

CPP <60

2.8

11.4

   

ICP ≤ 20

90.8

75.5

3.2

2.4–4.2

<0.0001

ICP >20

9.2

24.5

   

CAP Index ≤ 0.30

92.4

79.1

3.2

2.4–4.3

<0.0001

CAP Index >0.30

7.6

20.9

   

No mannitol/CSF drainage

85.7

62.4

3.6

2.9–4.5

<0.0001

Mannitol/CSF drainage

14.3

37.6

   
  1. BIS, Bispectral Index; CAP Index, Cranial-Arterial Pressure Index (ICP/(MAP - ICP)); CI, confidence intervals; CPP, cerebral perfusion pressure; CSF, cerebrospinal fluid; ICP, intracranial pressure; OR, odds ratio; StcO2, transcranial oxygen saturation.