Table 1:

Presurgical clinical characteristics of patients (n = 60)a

Characteristics
Age (yr)76.4 (3.8)
Sex, male34 (57%)
Education (yr)10.2 (3.0)
Duration of symptoms (yr)3.3 (1.6)
LP shunt23 (38%)
Medical history
    Hypertension36 (60%)
    Diabetes18 (30%)
    Lipid disorder18 (30%)
    Current smoker6 (10%)
Prevalence of symptomsb
    Triad (all 3 symptoms)27 (45%)
    Gait and cognitive21 (35%)
    Gait and urinary3 (5%)
    Cognitive and urinary1 (2%)
    Gait only5 (8%)
    Cognitive only2 (3%)
    Urinary only0

  • Note:—LP indicates lumboperitoneal.

  • ↵a Age, education, and the duration of symptoms are indicated as the means (SDs). The other variables are indicated as the number of patients (%).

  • ↵b Each symptom was regarded as positive when the corresponding score of the iNPH grading scale was ≥2.