Table 1

 Pedigree structures of the sample sets

Pedigree size (No of subjects in a pedigree)No of pedigrees
53 pedigrees26 pedigreesCombined (79 pedigrees)
The numbers in brackets are for the 53 pedigrees with 630 subjects used in our previous whole genome linkage scan.
<1028 (32)432
10–1914 (11)1125
20–294 (6)37
30–394 (2)37
⩾503 (2)58