Table 2—

Characteristics of the Italian multicenter cohort of children and adolescents with type 1 diabetes on the prevalence date (31 December 2001)

Type 1 diabetes onlyType 1 diabetes diagnosed before celiac diseaseType 1 diabetes diagnosed after celiac disease
n4,013258*34
Age (years)11.9 ± 4.110.7 ± 4.613.4 ± 6.8
Age at diagnosis of type 1 diabetes (years)7.3 ± 3.85.5 ± 3.79.8 ± 4.5
Mean age (years)
  <41,004 (25.0)105 (40.7)3 (8.8)
  4–6934 (23.3)81 (31.5)8 (23.5)
  7–91,004 (25.0)36 (13.9)2 (5.9)
  >91,072 (26.7)36 (13.9)21 (61.8)
Boys (%)56.439.538.2
Age at diagnosis of celiac disease (years)7.2 ± 4.34.2 ± 3.8
Thyroid disorder (%)11.319.638.2
  • Data are n (%) or means ± SD, unless otherwise noted.

  • *

    * In 31 of 258 (12.0%) of subjects, celiac disease was diagnosed at the onset of diabetes;

  • P < 0.001 vs. type 1 diabetes only;

  • P < 0.001 vs. type 1 diabetes diagnosed after celiac disease.