Table 1.

Demographics of children with autism spectrum disorder at the start of the study.

Group	Age (months)	CARS-2	MSEL	PLS-5
			ELC	TLS	AC	EC
			(SS)	(SS)	(SS)	(SS)
Treatment group (n = 23) a
M	48	41.8	49.1	53.5	57.8	53.4
Range	37–60	34.5–50.0	49–51	50–74	50–68	50–67
Comparison group (n = 22) b
M	46	41.5	50.0	53.7	59.7	54.2
Range	35–58	34.0–52.5	49–63	50–76	50–72	50–73

Note. CARS-2 = Childhood Autism Rating Scale–Second Edition; MSEL = Mullen Scales of Early Learning; PLS-5 = Preschool Language Scale–Fifth Edition; ELC = Early Learning Composite; TLS = total language score; AC = auditory comprehension; EC = expressive communication; SS = standard score.

^a Gender and ethnicity: 16 boys, seven girls; 12 White, eight African American, zero Hispanic, zero Asian, three other/mixed.

^b Gender and ethnicity: 20 boys, two girls; 13 White, seven African American, one Hispanic, zero Asian, one other/mixed.