Table 1.
Number of cases | Number of Families | Percent male | Average age of onset | |
---|---|---|---|---|
Total | 484 | 248 | 57.0 | 62.2 |
Familial PD | 449 | 230 | 57.9 | 62.4 |
LRRK2 PD | 35 | 18 | 45.7 | 60.7 |
Both LRRK2 and Familial PD cases have similar onset ages, although the proportion of male cases is greater for the Familial PD sample.