Table 1 Features of patients studied, where more than one affected member was identified in a family only the presenting affected member (proband) is included.
From: Analysis of Parkinson disease patients from Portugal for mutations in SNCA, PRKN, PINK1 and LRRK2
Characteristic | Subjects (n = 66) |
|---|---|
Age at collection (mean ± SD) | 60.1 ± 11.1 |
Age at onset (mean ± SD) | 44.5 ± 9.3 |
Range of age at onset | 20 – 60 |
Family history | |
Positive | 39 (59.1) |
Negative | 27 (40.9) |