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First Parental Concerns and Age at Diagnosis of Autism Spectrum Disorder: A Retrospective Review from Malaysia.
Abstract
BACKGROUND: Autism spectrum disorder (ASD) is a neurodevelopmental disorder. This is the first study to examine first parental concerns in ASD in Malaysia. We examined: i) age and type of first parental concerns (AOC); ii) association between AOC and severity; iii) time lag between AOC and diagnosis; and iv) factors associated with diagnostic delay. METHODS: Medical records of 366 patients (aged 1-18 years) with ASD, at the Developmental Paediatrics Clinic of University of Malaya Medical Centre (UMMC), Kuala Lumpur, were reviewed for this 16-month retrospective cohort study. A validated coding system was used for initial parent concerns. Severity was classified via the Diagnostic and Statistical Manual of Mental Disorders-5th edition (DSM-5) criteria. Time lag between AOC and age at diagnosis (AOD) was calculated. Potential predictors of delayed diagnosis were extracted. RESULTS: Three-quarters (75.1%) of parents had concerns by 36 months. Speech/language/communication concerns were most frequent (60.1%). Number of first concerns was significantly correlated with severity (social communication/interaction, SCI [P = 0.019] and restricted, repetitive patterns of behaviours and/or interests/activities, RRB [P < 0.001]). AOC and AOD were significantly negatively correlated with SCI and RRB (P < 0.001). Medians; AOC: 24 months, AOD: 46 months and time lag: 17 months. Higher initial screen time was associated with diagnostic delay (P = 0.031). CONCLUSION: First parental concerns and AOD were comparable to studies across countries. Speech/communication delays may represent universal first parental recognition of ASD.
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