Type 1 Diabetes and Autism Association Seems to Be Linked to the Incidence of Diabetes

  1. Dario Iafusco, MD1,
  2. Maurizio Vanelli, MD2,
  3. Marco Songini, MD3,
  4. Giovanni Chiari, MD2,
  5. Francesca Cardella, MD4,
  6. Annarita Fifi, MD5,
  7. Fortunato Lombardo, MD6,
  8. Annamaria Marinaro, MD7,
  9. Annafranca Melia, MD8,
  10. Alberto Marsciani, MD9,
  11. Anna Vaccà, MD10 and
  12. Franco Prisco, MD1
  1. 1Department of Paediatrics, University of Naples, Naples, Italy
  2. 2Department of Paediatrics, University of Parma, Parma, Italy
  3. 3Department of Internal Medicine, Hospital “Brotzu,” Cagliari, Italy
  4. 4Italian Society of Paediatric Endocrinology and Diabetology Units of Palermo
  5. 5Italian Society of Paediatric Endocrinology and Diabetology Units of Arezzo
  6. 6Italian Society of Paediatric Endocrinology and Diabetology Units of Messina
  7. 7Italian Society of Paediatric Endocrinology and Diabetology Units of Sassari
  8. 8Italian Society of Paediatric Endocrinology and Diabetology Units of Nuoro
  9. 9Italian Society of Paediatric Endocrinology and Diabetology Units of Rimini
  10. 10Italian Society of Paediatric Endocrinology and Diabetology Units of Cosenza, Italy
  1. Address correspondence to Maurizio Vanelli, PhD, Full Professor of Paediatrics, University of Parma, Viale A. Gramsci, 14, 43100 Parma, Italy. E-mail: maurizio.vanelli{at}unipr.it

We read with interest the article of Freeman et al. (1) reporting a higher prevalence of autism spectrum disorder in pediatric patients with type 1 diabetes in Toronto than in the general population (0.9% [95% CI 0.3–1.5 vs. 0.34–0.67]).

The finding was, however, not confirmed by Harijutsalo and Tuomilehto (2), who reported a prevalence of autism spectrum disorders in type 1 diabetic patients similar to that in the population aged <18 years in …

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