Risk of Dementia in Patients with Depression or Parkinson’s Disease: A Retrospective Cohort Study
Table 1
Clinical characteristics of study subjects.
Clinical characteristics
Total
Without PD
With PD
(n = 6065)
(n = 4852)
(n = 1213)
Age, years (mean ± SD)
62.8 ± 17.1
62.8 ± 17.1
62.9 ± 17.0
0.823
Gender
1.000
Female
2925 (48.2)
2340 (48.2)
585 (48.2)
Male
3140 (51.8)
2512 (51.8)
628 (51.8)
CCI
1.000
0
3405 (56.1)
2724 (56.1)
681 (56.1)
1-2
2055 (33.9)
1644 (33.9)
411 (33.9)
3
605 (10.0)
484 (10.0)
121 (10.0)
Depression
688 (11.3)
356 (7.3)
332 (27.4)
<0.001
Hypertension
2077 (34.2)
1625 (33.5)
452 (37.3)
0.013
Diabetes mellitus
915 (15.1)
713 (14.7)
202 (16.7)
0.088
Hyperlipidemia
807 (13.3)
633 (13.0)
174 (14.3)
0.234
Ischemic heart disease
800 (13.2)
621 (12.8)
179 (14.8)
0.072
Note. PD = Parkinson’s disease, n = case number, SD = standard deviation, CCI = Charlson comorbidity index, and = value. Categorical data were presented as number (%); continuous data were expressed as mean ± standard deviation.
