Table 1

Indicators of anticipation in 57 parent–child pairs

All parents Parental age at diagnosis (y)
<26.5 >26.5
No of families571245
Median (interquartile range) difference in age at diagnosis between parents and children16 (4 to 26)1-150 2 (−3 to 4)18 (11 to 28)1-150
No (%) of pairs showing anticipation48 (84)7 (58)41 (91)
No (%) of pairs in which the child was born after parental diagnosis15 (26)10 (83) 5 (11)
  • 1-150 p < 0.0001, p < 0.0001 versus late diagnosis parent–child pairs.