TABLE 1

Case/control and trio studies: sample size in each population

DenmarkFinlandFranceCombined
Case-control study7758565532,184
        no. of probands
    Status
        Case subjects3903872801,057
        Control subjects3854692731,127
Trio study
    no. of pedigrees (multiplex)189 (21)120 (0)178 (22)487 (43)
    no. of probands213120199532
    Status
        Case subjects1336155248
        Control subjects8059144284