Table 1 Distributions of affected sibling pair sizes
Size of sibling pair | No. of families | No. of subjects | Mean onset age (years ± standard error) |
|---|---|---|---|
2 | 306 | 612 | - |
3 | 31 | 93 | - |
4 | 3 | 12 | - |
5 | 1 | 5 | - |
6 | 1 | 6 | - |
All | 342 | 728 | 41.63 ± 0.51 |
Females | - | 537 | 41.44 ± 0.61 |
Males | - | 191 | 42.17 ± 0.89 |