March 2009. Volume 5. Number 1

The prevalence of autism spectrum disorders has not increased but their diagnosis is made at earlier ages

 
 
 
 
 
 
 
 
 
 
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AVC | Critically appraised articles

Parner ET, Schendel DE, Thorsen P. Autism prevalence trends over time in Denmark: changes in prevalence and age at diagnosis. Arch Pediatr Adolesc Med. 2008;162:1150 6
Reviewers: Ruiz-Canela Cáceres J1, Martín Muñoz P2.
1Distrito Sanitario Sevilla. España.
2 Hospitales Universitarios Virgen del Rocí­o. Sevilla. España.
Correspondence: Juan Ruiz-Canela Cáceres. Email: jruizc@aepap.org
Acceptance date: 05/02/2009
Publication date: 08/02/2010

Abstract

Authors' conclusions: changes in the age at diagnosis increase the prevalence of autism in the most recent cohorts compared to the oldest.

Reviewers' comantary: considering the Danish as reliable records, we may conclude that there is not an increase in the prevalence of autism, but an insufficient follow-up, and also a better understanding of the disease makes these prevalences appear higher.

How to cite this article

Ruiz-Canela Caceres J, Martin Muñoz P. La prevalencia de los trastornos del espectro autista no ha aumentado pero su diagnóstico se realiza en edades más precoces. Evid Pediatr. 2009;1:14.

AVC | Critically appraised articles

Parner ET, Schendel DE, Thorsen P. Autism prevalence trends over time in Denmark: changes in prevalence and age at diagnosis. Arch Pediatr Adolesc Med. 2008;162:1150 6
Reviewers: Ruiz-Canela Cáceres J1, Martín Muñoz P2.
1Distrito Sanitario Sevilla. España.
2 Hospitales Universitarios Virgen del Rocí­o. Sevilla. España.
Correspondence: Juan Ruiz-Canela Cáceres. Email: jruizc@aepap.org
Acceptance date: 05/02/2009
Publication date: 08/02/2010

How to cite this article

Ruiz-Canela Caceres J, Martin Muñoz P. La prevalencia de los trastornos del espectro autista no ha aumentado pero su diagnóstico se realiza en edades más precoces. Evid Pediatr. 2009;1:14.

References

  1. Williams JG, Higgins JP, Brayne CE. Systematic review of prevalence studies of autism spectrum disorders. Arch Dis Child. 2006;91:2-5.
  2. Fombonne E. The prevalence of autism. JAMA. 2003;289:87-9.
  3. Delgado Rodriguez M, Llorca Díaz J. Estudios longitudinales: concepto y Particularidades. Rev Esp Salud Pública. 2004;78:141-8.
08/02/2010

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