Table 2.

Summary of collected neuropsychological test scores in the systematical review and meta-analysis.

Outcome	Study	Test	Description
Neuropsychological meansures	Kang et al. (30) Li et al. (31) Zhang et al. (32)	Childhood autism rating scale	• Contains 15 items, each rated on a 4-point scale • Total scores: 0–60 • Higher scores indicate more serious illness (30–36, mild to moderate; >36, severe)
	Kang et al. (30) Li et al. (31) Zhang et al. (32)	Autism behavior checklist	• Contains 57 items to assess the severity of current ASD symptoms • Includes five common areas: stereotypy, irritability, lethargy, inappropriate speech, and hyperactivity • A score >53 points indicates a high possibility of ASD
	Kang et al. (30) Li et al. (31)	Social responsiveness scale	• Contains 65 items • Assesses social impairments, which are a core issue in autism, including social awareness, social information processing, capacity for reciprocal social communication, social anxiety/avoidance, and autistic preoccupations and traits