From: A linkage study of candidate loci in familial Parkinson's Disease
 | Narrow definition PD | Broad definition PD | Unaffected | ||||||
---|---|---|---|---|---|---|---|---|---|
Family | N of individuals (total / sampled) | Mean age at onset | Range of age at onset | N of individuals (total / sampled) | Mean age at onset (sampled only) | Range of age at onset (sampled only) | N of unaffected individuals sampled | Mean age | Age range |
1 | 4 / 2 | 65.8 | 58–73 | 9 / 4 | 69.5 | 63–73 | 4 | 76.8 | 72–83 |
2 | 4 / 3 | 67.3 | 49–79 | 6 / 5 | 52.4 | 32–77 | 9 | 49.9 | 24–72 |
3 | 4 / 2 | 55.3 | 44–77 | 8 / 3 | 65.3 | 44–77 | 13 | 56.7 | 29–85 |
4 | 4 / 2 | 54.3 | 48–59 | 6 / 4 | 55.8 | 26–85 | 12 | 53.7 | 27–75 |
5 | 5 / 3 | 63.0 | 48–78 | 16 / 9 | 55.8 | 9–78 | 16 | 56.4 | 41–86 |
6 | 4 / 3 | 24.0 | 8–35 | 16 / 3 | 20.3 | 8–28 | 2 | 29.5 | 16–43 |
7 | 4 / 3 | 65.8 | 40–78 | 14 / 6 | 42.5 | 10–78 | 7 | 67.7 | 48–91 |
8 | 2 / 2 | 49.0 | 15–83 | 6 / 5 | 30.0 | 14–83 | 10 | 43.4 | 23–84 |
9 | 3 / 2 | 59.0 | 46–76 | 9 / 3 | 55.3 | 46–65 | 3 | 55.7 | 47–73 |
10 | 3 / 3 | 62.3 | 54–76 | 9 / 6 | 59.5 | 40–79 | 13 | 51.7 | 30–79 |
11 | 3 / 3 | 58.7 | 39–78 | 6 / 3 | 58.7 | 39–78 | 8 | 56.0 | 46–73 |
12 | 2 / 2 | 66.5 | 66–67 | 2 / 2 | 66.5 | 66–67 | 8 | 68.3 | 63–74 |