Results: Autistic children with self injurious behaviour were significantly different from control in age of onset, primary symptoms, intelligence level, antenatal complications, birth trauma, complication by epilepsy, verbal ability and treatment response. 结果:发现二者在起病年龄,首发症状,语言功能,智力水平,孕产期损害,伴发癫痫,以及疗效方面均有显著差异。