Characteristics and functions of the gut microbiome in monozygotic twins with autism spectrum disorders of varying severity

Table 2 Intra-pair differences in clinical assessment of monozygotic twins with autism spectrum disorder, mean ± SD

	Group	CARS	ADI-R
			Social interaction	Language	Stereotyped behavior
MZCo-ASD	H	35.89 ± 3.59	17.74 ± 4.40	12.32 ± 4.83	5.00 ± 2.19
	L	32.11 ± 3.05	13.26 ± 5.63	9.74 ± 4.53	3.11 ± 2.38
	t	3.51	2.73	1.79	2.56
	P value	0.00c	0.00b	0.098	0.015a

^aP < 0.05.

^bP < 0.01.

^cP < 0.001.

MZCo-ASD: Monozygotic twins with autism spectrum disorder; CARS: Childhood Autism Rating Scale; ADI: Autism Diagnostic Interview.