Table 1 Demographics and clinical characteristics of the iNPH patients

Gender (n)

 Male

4 (20%)

 Female

16 (80%)

Age (years)

 Mean ± SD

74.4 ± 4.1

 Range

67–84

MMSE (points)

 Mean ± SD

26.4 ± 3.2

 Range

20–30

Evans index

 Mean ± SD

0.38 ± 0.04

 Range

0.33–0.52

Callosal angle (degrees)

 Mean ± SD

62.6 ± 16.8

 Range

33.5–111.1

 DESH (n)

3 (15%)

Comorbidities (n)

 Hypertension

12 (60%)

 Coronary artery disease

9 (45%)

 Dyslipidemia

9 (45%)

 Adult-onset diabetes

5 (25%)

 B12 vitamin deficiency

3 (15%)

 Arthrosis

3 (15%)

 Hypothyroidism

3 (15%)