Table 1

Number of families and sibpairs in two-stage genome screen

Number of families with:First screen Second screen
The GambiaSouth AfricaThe GambiaSouth Africa
Two affected siblings61131221
Three affected siblings63014
Four affected siblings0005
Six affected siblings0001
Total families67161241
Total sibpairs73191269
  • The number of fully independent sibpairs in each family is equal to the number of affected siblings minus one.