Screening for autism in older and younger toddlers with the Modified Checklist for Autism in Toddlers  

Oleh:

Pandey, Juhi ; Verbalis, Alyssa

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Autism vol. 12 no. 05 (Sep. 2008), page 513–535.
Topik: autism spectrum disorders; early detection; early identification; pediatric screening
Fulltext: 513.pdf (312.53KB)

Isi artikel

The Modified Checklist for Autism in Toddlers (M–CHAT) was used to screen younger (16–23 months) versus older (24–30 months) high- and low-risk toddlers. Refusal rates for follow-up interview showed no group differences, but parents of younger/low-risk children were more likely to refuse evaluation than parents of highrisk children. PPP for an ASD diagnosis was: younger/high-risk 0.79, older/high-risk 0.74, younger/low-risk 0.28, and older/low-risk 0.61, with PPP differing by age within the low-risk group. Most of the children in all groups, however, were diagnosed with a developmental disorder. Symptom severity generally did not differ among groups. Cognitive and adaptive measures showed minimal group differences. Therefore, older and younger toddlers had similar symptomatology and developmental delays; PPP for ASD is better at 24 than 18 months for low-risk children; however, these children are still highly likely to show a developmental disorder. Clinical decision making should balance early identification against the lower specificity of M–CHAT screening for the younger/low-risk group.

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