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Table 1 Demographic and radiological details of iNPH and LIAS groups

From: Intracranial pressure waveform characteristics in idiopathic normal pressure hydrocephalus and late-onset idiopathic aqueductal stenosis

Variable

iNPH

LIAS

p value

No. of patients

98

14

 

Age (years)

76.6 ± 5.6

53.8 ± 14.4

< 0.001

Female/male

33/65

8/6

0.09

Evans-index

0.39 ± 0.04

0.41 ± 0.05

0.03

Duration of artefact free ICP data obtained during 10 h of overnight monitoring (min)

593 ± 16

583 ± 39

0.67

  1. Given values are the mean ± standard deviations or absolute numbers. p values from Mann–Whitney-U test and chi-square test