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Revista chilena de pediatría

versión impresa ISSN 0370-4106


GONZALEZ, María Cecilia; VASQUEZ, Macarena  y  HERNANDEZ-CHAVEZ, Marta. Autism spectrum disorder: Clinical diagnosis and ADOS Test. Rev. chil. pediatr. [online]. 2019, vol.90, n.5, pp.485-491. ISSN 0370-4106.


Autism Spectrum Disorder (ASD) is a neurobiological disorder of high prevalence, whose clinical diagnosis is a constant challenge.


To describe the clinical profile in a co hort of children with ASD from referral to the specialist to a diagnostic test.

Patients and Method:

Descriptive study from the first symptoms perceived by the mother to the diagnostic confirmation of a series of 50 consecutive cases, which were clinically diagnosed with ASD between 2012 and 2016. Children aged between 3 to 10 years at the time of the ADOS-G test and language of at least one word were included. The children were evaluated neuropsychologically (functionality, intellectuality and ADOS test). We compared the median age to the neurological diagnosis, according to the autistic symptomatology and cognitive level.


The ADOS test corroborated an ASD in 44 children (88%), 93.1% were males. The average age at clinical diagnosis and ADOS test was 48.2 ± 19.3 and 62.6 ± 23.3 months. The neurological consultation in 72% of cases was parental/educator initiative due to symptoms such as social interaction disorder and language delay. The autistic symptomato logy was mild, moderate and severe in 34.1, 47.7 and 18.2% respectively. In five of 27 children who were neuropsychologically evaluated cognitive deficits were detected. The median age at diagnosis was significantly lower in children with severe autism symptoms vs the ones with mild-moderate symptoms (p-value 0.024).


Autistic symptoms determine the early consultation; the refore, it is necessary to guide the general and educational population as well as health professionals regarding these symptoms.

Palabras clave : Autism; Autism Spectrum Disorders; ADOS test; K-BIT; WISC IV; Vineland Scale.

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