Reduction rate of total score of Cohan Mansfield agitated behavior checklist was considered as criterion of curative effect before and after treatment,and reduction rate at the end of week 8 was more than 50% as remarkable effect.

• 以治疗前后CohanMansfield激越行为量表总分减分率为疗效指标标准,8周末减分率>50%25为显效。