Table 1 Demographic data and clinical characteristics of INPH patients and controls at baseline.

From: Quantitative Gait Analysis and Cerebrospinal Fluid Tap Test for Idiopathic Normal-pressure Hydrocephalus

Characteristics INPH (n = 23) Healthy control (n = 17) P value
Gender, male 11 (47.8) 4 (23.5) 0.117
Age (year) 73.0 ± 7.0 69.0 ± 5.1 0.052
Education (year) 7.9 ± 4.7 11.3 ± 4.4 0.025
Duration of symptoms (year) 2.4 ± 1.1   
K-MMSE 19.5 ± 5.0 29.2 ± 1.1 <0.001
CDR (0:0.5:1:2:3) 0:10:10:3:0   
INPHGS
GS-Gait 1.0 ± 0.0   
GS-Cogn 2.1 ± 0.5   
GS-Urin 1.9 ± 0.7   
TUG 22.2 ± 25.2   
10-meter walking test 18.4 ± 15.7   
GSS 6.9 ± 3.6   
FAB 9.0 ± 3.3   
Drainage volume of CSF 33.3 ± 3.5   
CSF opening pressure (cm H2O) 10.0 ± 3.3   
Evans’ ratio 0.32 ± 0.02   
  1. For INPH patients, data were collected before the CSFTT. Values denote number (%) or mean ± standard deviation. INPH = idiopathic normal-pressure hydrocephalus; CSFTT = cerebrospinal fluid tap test; K-MMSE = Korean version of Mini-Mental State Examination; CDR = Clinical Dementia Rating Scale; INPHGS = Idiopathic Normal-Pressure Hydrocephalus Grading Scale; GS-Gait = INPHGS for gait; GS-Cogn = INPHGS for cognition; GS-Urin = INPHGS for urinary function; TUG = Timed Up-and-Go test; GSS = Gait Status Scale; FAB = Frontal Assessment Battery.