Research Article

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.

CharacteristicAll patientsPatients alive at last follow-upPatients who died

20616343
Age at onset, mean (sd) years57.9 (11.5)56.3 (0.89)63.7 (1.54)
Age at onset, (%)
 <60 years113 (55%)99 (61%)14 (33%)
 ≥60 years93 (45%)64 (39%)29 (67%)
Disease duration, mean (sd) years8.32 (4.99)8.36 (4.97)8.16 (5.16)
 Range1–291–291–25
Gender, (%)
 Female105 (51%)88 (54%)17 (40%)
 Male101 (49%)75 (46%)26 (60%)
Race, (%)
 White182 (89%)148 (91%)34 (79%)
 Nonwhite23 (11%)14 (9%)9 (21%)
Clinical subtype, (%)
 PIGD108 (55%)85 (56%)23 (56%)
 Mixed22 (11%)18 (12%)4 (9%)
 Tremor65 (33%)49 (32%)16 (37%)
Dementia, (%)51 (29%)35 (25%)16 (47%)
Depression64 (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.