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Table 1 Demographic, clinical, radiological and management data of the two management groups

From: Cardiac output in idiopathic normal pressure hydrocephalus: association with arterial blood pressure and intracranial pressure wave amplitudes and outcome of shunt surgery

 

Management Groups

 
 

Group A (elevated MWAICP)

Group B (low MWAICP)

Significance

Demographic

   

Patients (n)

20 (69%)

9 (31%)

 

Age (yrs)

76 (53 - 84)

78 (66 - 80)

ns

Gender (F/M)

12/8

3/6

ns

BMI

24.3 (15.1 - 29.4)

24.0 (20.0 - 31.3)

ns

Vascular co-morbidity

   

Diabetes

5 (25%)

1 (11%)

ns

Hypertension

3 (15%)

3 (33%)

ns

Cardiovascular

8 (40%)

3 (33%)

ns

Cerebrovascular

5 (25%)

2 (22%)

ns

Cardiac arrhythmia

3 (15%)

3 (33%)

ns

Radiology

   

Evan's index

0.37 (0.30 - 0.44)

0.38 (0.33 - 0.42)

ns

Symptoms

   

Duration of symptoms (yrs)

2.0 (0.4 - 10)

2.0 (0.8 - 6.0)

ns

Preoperative NPH score

10 (7 - 13)

10 (9 - 11)

ns

Treatment

   

Conservative (n)

1

6

 

Shunt (n)

19

3

 

Outcome

   

Shunt Non-responders

3 (16%)

3 (100%)

 

Shunt Responders

16 (84%)

-

 
  1. Management groups were defined according to published criteria [11]. BMI: Body mass index. Significance: ns = non-significant; Fischer Exact test or one-way ANOVA).
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Fluids and Barriers of the CNS

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