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Table 1: Demographic data of 168 patients with iNPH
Data 
Age (mean) (SD) (yr) 71 (9.3)
Male/female (%) 61:39
Symptom duration (mean) (SD) (mo) 47 (59)
Comorbidity (%) 
    Hypertension 49
    Cardiovascular disease 26
    Diabetes mellitus 15
Data
Age (mean) (SD) (yr)	71 (9.3)
Male/female (%)	61:39
Symptom duration (mean) (SD) (mo)	47 (59)
Comorbidity (%)
Hypertension	49
Cardiovascular disease	26
Diabetes mellitus	15