TABLE 2

The prevalence of IAAs greater than or equal to the 97.5th percentile of schoolchildren control subjects in unaffected siblings and parents

Antibody markersAge at diagnosis of the proband
<5 years5–9 years10–14 years
Siblings
n178368623
 None141 (79)332 (90)537 (86)
 124 (13)28 (8)71 (11)
 24 (2.2)5 (1.4)6 (1.0)
 37 (3.9)1 (0.3)6 (1.0)
 42 (1.1)2 (0.5)3 (0.5)
Parents
n515702913
 None456 (89)631 (89)815 (89)
 148 (9)60 (9)81 (9)
 24 (0.8)6 (0.9)13 (1.4)
 37 (1.4)4 (0.6)3 (0.3)
 41 (0.1)1 (0.1)
  • Data are n (%).