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Table 1 Characterization of patients and controls at baseline

From: Distinct volumetric features of cerebrospinal fluid distribution in idiopathic normal-pressure hydrocephalus and Alzheimer’s disease

Characteristics

Controls (n = 26)

INPH (n = 49)

AD (n = 59)

Age, year, mean ± SD

71.7 ± 4.1

73.5 ± 5.4

71.7 ± 8.1

Male gender, number (%)

10 (38.5)

30 (61.2)

14 (23.7)

Education, year, median (IQR)

12.0 (6.0–16.0)

9.0 (6.0–12.0)

6.0 (6.0–12.0)

Duration of symptoms, year, median (IQR)

 

2.0 (1.0–4.0)

2.5 (1.0–3.0)

K-MMSE, median (IQR)

27.0 (26.0–29.0)

21.0 (17.0–25.0)

19.0 (15.0–22.0)

  1. Data are presented as mean ± SD for normally distributed variables and median (25–75th percentile, IQR) for non-normally distributed variables
  2. INPH idiopathic normal-pressure hydrocephalus, AD Alzheimer’s disease, SD standard deviation, IQR interquartile range, K-MMSE Korean version of Mini-Mental State Examination