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Sati
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08 Oct 2009, 8:51 pm

Does anyone know what percentage of the autism population have low functioning autism vs HFA/Asperger's?



Danielismyname
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08 Oct 2009, 10:34 pm

1/4 of those with AD are HFA. All of those with AS are considered to have a form of HFA.

AD and AS are roughly equal in prevalence....

So, that's not too far from 50/50 for LFA and HFA.

It changes when you throw in PDD-NOS, and far more will be "higher-functioning" then.