ICNC Abstracts, ICNC 2018

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“Prevalence of Autism spectrum disorders (ASD) in a latinamerican city, first epidemilogical study in children 18 – 36 months of age”
Francisco Alberto Astorino, Elena Carrera, Liliana Contini

Last modified: 2018-09-09

Abstract


Introduction:In the last decades ASD prevalence has surprissiling rised, a strong debate persists among experts to determine reason. Argentina until 2016 did not count with such important studies. Researchers from Universidad Nacional del Litoral UNL) at its Medical Sciences Faculty completed a prevalence study for ASD among young children. Methot and material: stratified study was chosen to mantain statistically representative numbers. Significance α = 0,05 - confidence of 95%.- p   espected prevalence Zα = 1,96 -  d/ whished precission with an estimation error  of 0,8%-  d = 0,008. Sample’s size corrected for finited population resulted  n = 512 CHILDREN  1  TO  3 YEARS OF AGE to complete study with an  espected prevalence  of 0,0085. Field work: 512 children were evaluated, 230 girls, 282 boys. First evaluation consisted on neurodevelopmental surveliance, second stage ASD screening by M-CHAT questionnaire finally specific evaluation for ASD. Conclusiones: Found no risk in 452 children, 60 had risk for child neurodevelopmental  problems. 52 M-CHAT negative, 7 possitive. From the  possitive MCHAT GROUP 3 children (2 girls- 1 boy) did not have clinic feature for ASD. After ADOS 4 other  boys resulted to be 3 with AUTISM – 1 ASD. For a sample size with a pressition 0.008 with a calculated pressition of 0,0038, the estimated prevalence for ASD IN SANTA FE in children 18 to 36 months old is 78/ 10000 or 1/128.

Keywords


ASD; prevalence, latinamerican city

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