Students with mental retardation were the most frequent, followed by students with dyslalia, then autism, and attention deficit and hyperactivity disorder.

• 结果发现学生的疾病种类以智障最多，共64名：构音困难22名，自闭症12名，过动症12名，听障9名，脑性麻痹4名，唐氏症4名，其他诊断26名。