Table 2.

Mean age at chromosomal microarray analysis (CMA) testing, grouped by diagnostic referral codes.

Population	Mean Age at Testing (Years)	Standard Deviation (Years)
All	7.0	5.6
Non ASD *	6.5	6.0
ASD only †	7.3	5.0
ASD+ ‡	7.5	5.1

* Non-ASD” represents that portion of the cohort with no testing indication of ASD; ^† “ASD only” refers to the portion of the cohort with ASD as the only testing indication; ^‡ “ASD+” refers to the portion of the cohort with an indication of ASD as well as another testing indication, such as MCA, seizures, DD, and/or ID.