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目的 :为了评价智能筛检测验C - 2 0的信度和效度。方法 :采用分层多级整群抽样原则 ,用CASIC- 2 0对成都地区 80 7例 5 5岁至 10 0岁的老人进行智能检查。结果 :①CASIC - 2 0具有良好的信度 ,测定结果稳定 ;②使用 5 0分作为CASIC - 2 0诊断痴呆的截断值 ,其准确性最高 ;③在效度方面 ,以ICD - 10为金标准 ,使用 5 0分为截断值 ,与MMSE相比 ,CASIC - 2 0的敏感性与MMSE相当 ,特异性高于MMSE。结论 :使用CASIC -2 0对成都地区低文化组老年人九进行智能筛查 ,具有良好的信度和效度 ,值得推广应用。
Purpose: To evaluate the reliability and validity of the Smart Screening Test C-20. METHODS: Using stratified multi-stage cluster sampling principles, CASIC-20 was used to intelligently examine 807 old people aged 550 to 100 years in Chengdu. RESULTS: 1CASIC-20 had good reliability and the measurement results were stable. 2 Diagnose dementia with a cutoff value of 50 using CASIC-20. The accuracy was the highest. 3 In terms of validity, the ICD-10 was the gold standard. The use of 50 is divided into cutoff values. Compared with MMSE, the sensitivity of CASIC-20 is comparable to MMSE and its specificity is higher than MMSE. Conclusion : The use of CASIC -20 for the intelligent screening of the elderly in the low culture group in Chengdu has good reliability and validity and is worthy of popularization and application.