”It doesn’t necessarity mean that they don’t work. But it is a problem that we know so little about them,” psychiatry professor Lars Jacobsson at Umeå University told Swedish Radio.
One of the tests which was assessed by the SBU failed to detect a third of patients with autism related symptoms.
Now the council recommends that children should be examined by a team of specialists, rather than using just one method.
New guidelines are being drawn up the Swedish Board of Health and Welfare and are due to come into use next year.