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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