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Systematic Review of Level 1 and Level 2 Screening Tools for Autism Spectrum Disorders in Toddlers
Open AccessArticle

A Two-Stage Screening Approach with I-TC and Q-CHAT to Identify Toddlers at Risk for Autism Spectrum Disorder within the Italian Public Health System

1
Division of Child Neurology and Psychiatry, Institute for Maternal and Child Health – IRCCS “Burlo Garofolo”, 34137 Trieste, Italy
2
Clinical Epidemiology and Public Health Research Unit, Institute for Maternal and Child Health – IRCCS “Burlo Garofolo”, 34137 Trieste, Italy
3
IRCCS Stella Maris Foundation, Calambrone, 56128 Pisa, Italy
4
Department of Psychiatry, University of Michigan, Ann Arbor, MI 48109, USA
*
Author to whom correspondence should be addressed.
Brain Sci. 2020, 10(3), 184; https://doi.org/10.3390/brainsci10030184
Received: 4 March 2020 / Revised: 19 March 2020 / Accepted: 21 March 2020 / Published: 23 March 2020
(This article belongs to the Special Issue Advances in Autism Research)
Standardized screening programs ensure that children are monitored for early signs of autism spectrum disorder (ASD) in order to promote earlier diagnosis and intervention. The aim of this study is to identify early signs of atypical development consistent with ASD or other developmental disorders in a population of 224 low-risk toddlers through a two-stage screening approach applied at 12 and 18 months of age. We adopted two screening tools combined: 1. the Communication and Symbolic Behavior Scales Developmental Profile (CSBS DP) Infant–Toddler Checklist (I-TC) and 2. The Quantitative Checklist for Autism in Toddlers (Q-CHAT). We assessed their sensitivity and specificity related to the diagnostic outcome at 36 months. The results showed that autistic signs can be detected as early as the first year even through a few questions extrapolated from both screeners and that our model could be used as a screening procedure in the Italian public health system. View Full-Text
Keywords: autism spectrum disorder; screening; early detection autism spectrum disorder; screening; early detection
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Devescovi, R.; Monasta, L.; Bin, M.; Bresciani, G.; Mancini, A.; Carrozzi, M.; Colombi, C. A Two-Stage Screening Approach with I-TC and Q-CHAT to Identify Toddlers at Risk for Autism Spectrum Disorder within the Italian Public Health System. Brain Sci. 2020, 10, 184.

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