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Table 1 Clinical background of study population

From: Three-dimensional observation of Virchow–Robin spaces in the basal ganglia and white matter and their relevance to idiopathic normal pressure hydrocephalus

 

Control

iNPH

P value

Number

9

20

 

Male preponderance, N (%)

6 (66.7)

12 (60)

0.7308

Age

74.2 ± 7.9

76.1 ± 6.4

0.6869

History

 Hypertension

5

11

0.9778

 Diabetes mellitus

0

2

0.2128

 Hyperlipidemia

3

6

0.858

 Anti-coagulant/platelet drugs

1

8

0.0988

 Lacunar stroke

1

2

0.928

 Alzheimer’s disease

0

3

0.1417

 Chronic kidney disease

0

1

0.0713

 Chronic obstructive pulmonary disease

0

1

0.0713

Activity of daily life

 Modified Rankin scale (G2, 3, 4)/(G0–4) (%)

0

95

<0.0001*

Symptoms (iNPHGS)

 Gait disturbance (G2–4)/(G0–4) (%)

0

85

<0.0001*

 Cognition disturbance (G2–4)/(G0–4) (%)

0

85

<0.0001*

 Urination disturbance (G2–4)/(G0–4) (%)

0

75

0.0009*

Tap test

 TUG (baseline) (s)

NA

35.0 ± 47.7

 

 TUG (% change)

NA

25.6 ± 34.6

 

 MMSE (baseline score)

NA

21.4 ± 5.9

 

 MMSE (difference)

NA

3.1 ± 2.9

 

Shunt surgery, N

0

12

 
  1. G grade, iNPHGS iNPH grading scale, MMSE minimental state examination, NA not assessed, TUG timed up and go test.
  2. * Statistically significant.