TABLE 6. Number and percentage of children aged 8 years with autism spectrum disorder who received a developmental evaluation by a qualified professional at age ≤36 months,* by site and intellectual disability status — Autism and Developmental Disabilities Monitoring Network, 11 sites, United States, 2020.

Site	Total no. with ASD	Total with recorded evaluation			IQ ≤70			IQ >70			IQ unknown
		No. with recorded evaluation	% evaluated by age 36 mos	Median age at earliest recorded evaluation (mos)	No. with recorded evaluation	% evaluated by age 36 mos	Median age at earliest recorded evaluation (mos)	No. with recorded evaluation	% evaluated by age 36 mos	Median age at earliest recorded evaluation (mos)	No. with recorded evaluation	% evaluated by age 36 mos	Median age at earliest recorded evaluation (mos)
Arizona	360	349	49.0	37	90	64.4	29	201	44.3	38	58	41.4	57
Arkansas	362	359	42.6	39	159	56.6	34	171	31.0	45	29	34.5	41
California	710	701	58.2	32	134	61.2	30	483	61.1	31	84	36.9	44
Georgia	553	488	46.7	39	182	51.1	36	213	46.5	40	93	38.7	42
Maryland	491	474	59.5	33	138	74.6	28.5	157	65.0	31	179	43.0	40
Minnesota	482	474	42.2	40	131	61.1	34	283	38.5	43	60	18.3	52
Missouri	601	591	39.8	43	116	55.2	36	245	27.3	53	230	45.2	39.5
New Jersey	544	537	58.3	34	133	60.9	34	208	60.6	34	196	54.1	35
Tennessee	713	611	43.9	41	225	61.8	31	202	41.1	43.5	184	25.0	58.5
Utah	621	579	38.5	44	87	48.3	39	214	30.8	49	278	41.4	42
Wisconsin	808	581	57.5	34	152	82.2	27	158	49.4	37.5	271	48.3	37
Total	6,245	5,744	49.0	37	1,547	61.9	33.0	2,535	46.0	39	1,662	41.6	41

Abbreviation: ASD = autism spectrum disorder.

* Permutation test comparing median age of earliest known evaluation for children with known IQ score ≤70 versus known IQ score >70 (p<0.001).