How does that matter? If you're diagnosed autism, then, guess what, you have autism. It's not binary, but why does it matter? If it goes from 0.04 autism to 0.79 autism. Nothing in life is black and white. The importance of this research was to find if a correlation exists. They confirmed that it does.
>>Myster+(OP)
Because it’s called autism spectrum disorder. By definition, the outcomes and clusters of symptoms vary widely from “essentially mentally disabled” to “just awkward at eye contact sometimes.”