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Table 1: 

Demographic and imaging data of patients with iNPH and control subjects
iNPH (n = 20)Control (n = 20)P Valuea
General characteristics
    Sex (male/female) (No.)8/128/121.000
    Age (mean) (yr)77.0 ± 5.173.4 ± 6.3.054
Disease characteristics
    Gait disturbance >2 years (No.)100% (20)0%
    Dementia >1 year (No.)90% (18)0%
    Urinary incontinence (No.)50% (10)0%
Psychometric tests
    MMSE (mean)21.8 ± 3.828.7 ± 1.0<.001
Complicating diseases
    Hypertension (No.)30% (6)40% (8).736
    Diabetes mellitus (No.)15% (3)5% (1).292
    Dyslipidemia (No.)25% (5)10% (2).212
Evans index (mean)0.36 ± 0.050.28 ± 0.03<.001
Extent of leukoaraiosis (Fazekas classification)2.1 ± 0.90.8 ± 0.8<.001
  • 


    ↵a Unpaired Student t test.