SLPOtherJournal of autism and developmental disorders2018

Implementation of a Practice Development Model to Reduce the Wait for Autism Spectrum Diagnosis in Adults.

Marion Rutherford, Kirsty Forsyth, Karen McKenzie and 5 others

PMID 29502151

WHAT IT FOUND

Adults referred for autism assessment waited less after a bundled program with new pathways, documentation, mentorship, peer forums, practice changes and validation roles: average wait for diagnosis fell from 149.4 days to 119.5 days.

No control group means the program's effect cannot be proven.

Key findings

01Average wait from referral to diagnosis was 149.4 days before the change program and 119.5 days after, a reported reduction of 29.9 days that was statistically significant.

02The program bundled new pathways and documentation with mentorship, peer forums, practice changes and validation roles, so the contribution of any single component cannot be separated.

03Service results varied: 5 of 11 services reduced wait times, 4 increased them, and 2 had no referrals during post-program data collection.

STILL TO COME

How it was doneWhat they foundWhat it means for SLPs

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What it does not show

There was no control group, so the reduction could be due to other changes or to services knowing their performance was being monitored. Participating services chose to join, so they may have been more motivated to change than services that did not participate. The program bundled pathways, documentation, mentorship, peer forums, practice changes and validation roles, and the study could not identify which component mattered. Wait times varied by service: 5 of 11 services reduced wait times, 4 increased them, and 2 had no post-program referrals. Missing data were excluded from some analyses, leaving 62 pre-program cases and 84 post-program cases for the wait-time comparison. One service reported a 52-week reduction, but it had only 2 referrals in each phase, so it may not generalise.

Declared interests

The only funding or conflicts statement supplied is that the funder was the Scottish Government.

The easy way to misread this

Do not read the reduction of 29.9 days as proof that the Flightgate model caused faster diagnosis. The study had no control group, services self-selected, and the program included pathways, documentation, mentorship, peer forums, practice changes and validation roles, so the contribution of any single component cannot be separated.

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