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Table 1 Demographic and clinical data

From: Transient intracranial pressure elevations (B waves) are associated with sleep apnea

 

Type of patient

 
 

iNPH (n = 5)

Adult-onset (n = 4)

Pediatric-onset (n = 13)

IIH (n = 12)

P value

Men/Women

4 (20%)/1 (20%)

1 (25%)/3 (75%)

5 (45%)/6 (55%)

1 (8%)/11 (92%)

 

Age, years

67.4 (6.6)

60.0 (7.2)

42.9 (20.5)

33.0 (8.0)

< 0.001

BMI

25.4 (3.4)

26.1 (3.0)

26.5 (6.4)

36.5 (9.6)

0.005

ESS

4.8 (3.1)

7.8 (5.3)

10.5 (6.1)

9.1 (4.3)

0.23

General disease and risk factors

 Hypertension

4 (80%)

1 (25%)

1 (8%)

3 (25%)

 

 Heart disease

3 (60%)

0

0

1 (10%)

 

CNS

 Dementia

4 (80%)

0

3 (23%)

0

 

 Psychiatric

0

0

0

2 (17%)

 

 Epilepsy

2 (40%)

1 (25%)

3 (23%)

0

 

 Evans ratio

0.44 (0.05)

0.33 (0.08)

0.34 (0.07)

0.26 (0.04)

< 0.001

 DESH

3 (60%)

0

1 (8%)

0

 

 Obstruction

0

4 (100%)

9 (69%)

0

 

Treatment

 Shunt

0

4 (100%)

2 (15%)

4 (33%)

 

 ETV

1 (20%)

1 (25%)

7 (54%)

0

 
  1. Summary statistics include the mean and the standard deviation (SD) to summarize continuous variables and numbers and (percentages) to summarize categorical variables
  2. BMI body mass index (kg/m2), DESH disproportionately enlarged subarachnoid space hydrocephalus, Epworth sleepiness scale (ESS, normal < 10)), ETV endoscopic third ventriculostomy, Evans ratio ventricular size ratio (normal ≤ 0.30), SD standard deviation
  3. P value of one-way analysis of variance (ANOVA)