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Table 5 Wait times by diagnostic tool use

From: Practice patterns and determinants of wait time for autism spectrum disorder diagnosis in Canada

Test n using tool Median total wait among those endorsing use Median total wait among those not endorsing use p
ADOS 29 7.4 6.1 0.12
ADI-R 15 7 6.9 0.99
CARS 9 8 6.9 0.62
SRS 8 8.2 6.9 0.12
VABS 7 9.8 6.9 0.2
No test 12 6.3 7 0.54
  1. Wait time reported in months; p value based on Wilcoxon estimate. ADI-R Autism Diagnostic Interview–Revised, ADOS Autism Diagnostic Observation Schedule, CARS Childhood Autism Rating Scale, SRS Social Responsiveness Scale, VABS Vineland Adaptive Behavior Scale