TABLE 2.

Study characteristics meeting inclusion criteria.

Study	n	Age	Duration	Setting	Control	measure	outcome
Rabeyron (23)	37	4–7 year	8 months, 30 min	MT	Music listening	CGI, CARS, ABC	Lethargy improved
Lim, (16)	50	3–5 year	3 days, 2 times/day	Music training	ST	VPES	No significance
Bieleninik (18)	364	4–6$\frac{11}{12}$ year	5 months	MT, Standard care	Standard care	ADOS,SRS	No significant difference
Gattino (19)	24	7–12 year	16 weeks	MT, Activities	Activities	CARS-BR	Improve nonverbal communication
Meghan (21)	51	6–12 year	8–12 weeks, 1times/week, 45 min	Music intervention	Non-music intervention	VABS,SRS-II	Improve social communication
Thompson (25)	33	3–6 year	16 weeks, 1 time/week, 30–40 min	MT, Early intervention	Early intervention	VSEEC, SRS-PS	Improve social interactions
Ghasemtabar (10)	27	7–12 year	2 months	MT	No MT	CARS, SRS	Enhance children’s social skills
Lim (20)	22	3–5 year	2 weeks, 3 days/week	MT, ABA(VB)	ST ABA (VB)	VPES	No significance

CGI, the Clinical Global Impression; CARS, Childhood Autism Rating Scale; ABC, the Aberrant Behavior Checklist; VPES, A verbal production evaluation scale; ADOS, Autism Diagnostic Observation Schedule; SRS, the Social Responsiveness Scale; VABS, Vineland Adaptive Behavior Scales; VSEEC, Vineland Social-Emotional Early Childhood Scales; ABA, Applied Behavior Analysis; ST, Speech Training.