Table 1: Demographic and clinical characteristics of participants.

CharacteristicsGroupMedian Min–MaxP value

Gender (male/female) AD40/49*0.25
PD 46/47*
Control59/45*

Age (year)AD 75 46–88 0.052
PD 73 55–87
Control7260–86

Platelet count × 103/mm3AD 237 122–467 0.64
PD 230 102–561
Control 250143–470

Fasting blood glucose level (mg/dL)AD 103.5 80–184 0.56
PD 104 77–271
Controls110.575–288

Total cholesterol level (mg/dL)AD 114 86–174 0.06
PD 105 66–172
Controls9579–172

Number of the patients with hypertension (+/−) AD 29/60*0.003
PD 38/55*
Control15/89*

Number of the patients with hyperglycemia (+/−)AD 18/71*0.004
PD 25/68*
Control6/98*

Number of the patients with hypercholesterolemia (+/−)AD 7/82*0.81
PD 16/77*
Control10/94*

Number of the patients with antidepressant use (+/−)AD 35/54*<0.001
PD 34/59*
Control0/98*

MMSE scoreAD 18 6–26
HYS scorePD2 1–4

Number of the patients; (+/−): present/not present; MMSE: minimental state examination; HYS: Hoehn and Yahr scale; AD: Alzheimer’s disease; PD: Parkinson’s disease.