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Prevalence of autistic spectrum disorders in Tripoli, Libya: the need for more research and planned services.

Posted May 14 2012 9:04pm

Autism prevalence studies are being performed in more and more locations around the globe. It’s somewhat amazing how little is known about autism prevalence outside of Europe and the U.S.. There are data from Japan and data has been coming in from Australia and elsewhere. There is very little data from Africa. Prevalence of autistic spectrum disorders in Tripoli, Libya: the need for more research and planned services .

Data on autism are lacking for Libya. We conducted a hospital-based study in the Neurodevelopment Clinic of AI-Khadra Hospital in Tripoli to estimate the prevalence of autistic spectrum disorders in children attending the clinic. All children referred to the clinic between 2005 and 2009 with a diagnosis of speech and language disorders or behavioural difficulties were assessed. There were 38 508 children in total seen during 2005-09,180 of whom had a history of delayed speech and language and/or behavioural difficulties. Of the 180, 128 children were diagnosed with autistic spectrum disorder: 99 had classical autism, giving the prevalence of about 4 in 1000. The male:female ratio for autistic spectrum disorders was 4:1 and for autism was 4.5:1. The most common age at presentation was 2-5 years (58%) and 56% presented 6-18 months after the onset of symptoms. Physicians should consider autism in the differential diagnosis of any child presenting with a speech and language disorder and/or behavioural difficulties.

The study population is biased, being taken from children referred to a hospital. On top of that, they limit themselves to children with a history of speech and language delay and/or behavior difficulties. A lot of kids could fall through the net on this, but it is still great to see the effort being made to get information on autism prevalence in Libya.

For those who may wonder, 128 out of 38,508 is a prevalence of 0.33%, or about 1 in 300.

On the topic of autism in Africa, there is a recent paper by Richard Grinker (author of Unstrange Minds), “Communities” in Community Engagement: Lessons Learned From Autism Research in South Korea and South Africa , which I hope to review soon.

  1. Autism Blog – Prevalence of autistic spectrum disorders in Tripoli … | My Autism Site | All About Autism:
    [...] More here: Autism Blog – Prevalence of autistic spectrum disorders in Tripoli … [...]
  2. Prevalence of autistic spectrum disorders in Tripoli, Libya: the need for more … | Autism PDA:
    [...] Prevalence of autistic spectrum disorders in Tripoli, Libya: the need for more … May 15, 2012By Autism HelpPrevalence of autistic spectrum disorders in Tripoli, Libya: the need for more research and planned ... [...]

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