Clinical and Epidemiological Factors Associated with Mortality in Parkinson’s Disease in a Brazilian Cohort
Table 1
Clinical characteristics of patients with PD at the time of the first evaluation.
Characteristic
All patients
Patients alive at last follow-up
Patients who died
206
163
43
Age at onset, mean (sd) years
57.9 (11.5)
56.3 (0.89)
63.7 (1.54)
Age at onset, (%)
<60 years
113 (55%)
99 (61%)
14 (33%)
≥60 years
93 (45%)
64 (39%)
29 (67%)
Disease duration, mean (sd) years
8.32 (4.99)
8.36 (4.97)
8.16 (5.16)
Range
1–29
1–29
1–25
Gender, (%)
Female
105 (51%)
88 (54%)
17 (40%)
Male
101 (49%)
75 (46%)
26 (60%)
Race, (%)
White
182 (89%)
148 (91%)
34 (79%)
Nonwhite
23 (11%)
14 (9%)
9 (21%)
Clinical subtype, (%)
PIGD
108 (55%)
85 (56%)
23 (56%)
Mixed
22 (11%)
18 (12%)
4 (9%)
Tremor
65 (33%)
49 (32%)
16 (37%)
Dementia, (%)
51 (29%)
35 (25%)
16 (47%)
Depression
64 (31%)
51 (31%)
13 (30%)
Hoehn&Yahr, mean (sd)
2.7 (0.81)
2.7 (0.82)
2.7 (0.78)
Schwab-England's ADL, mean (sd)
73 (22.8)
73.5 (22.3)
71.9 (24.9)
Note. ; ; . PIGD: postural instability-gait disorder phenotype. Dementia was defined as Minimental State Examination score lower than or equal to 23 (maximum score: 30). ADL: activities of daily living. Percentages calculated out of those with information.