挪威老年门诊患者中七分钟筛查和综合征简易测试的验证
Validation of the Seven Minute Screen and Syndrom Kurztest among elderly Norwegian outpatients.
作者信息
Skjerve Arvid, Nordhus Inger Hilde, Engedal Knut, Braekhus Anne, Nygaard Harald A, Pallesen Ståle, Haugen Per Kristian
机构信息
Department of Clinical Psychology, University of Bergen, Bergen, Norway.
出版信息
Int Psychogeriatr. 2008 Aug;20(4):807-14. doi: 10.1017/S1041610208007072. Epub 2008 Apr 1.
BACKGROUND
Brief cognitive tests represent a first step in the assessment of elderly people referred to outpatient clinics because of cognitive impairment. The aim of this study is to determine sensitivity, specificity and likelihood ratio for a positive result (LR+) for the brief cognitive tests Seven Minute Screen (7MS) and Syndrom Kurztest (SKT) in an outpatient sample of elderly patients with no dementia or mild dementia.
METHODS
Ninety-five patients aged 65 years or more from 10 Norwegian geriatric and psychogeriatric outpatient clinics were included in the study. All the subjects had a Mini-mental State Examination score of 22-30. A consensus diagnosis of dementia according to ICD-10 was established by an expert panel that considered data from a standardized assessment protocol blinded for 7MS and SKT results.
RESULTS
Subjects were diagnosed with mild dementia (n = 69) or no dementia (n = 26). Sensitivity for 7MS was 71%, specificity 73% and LR+ was 2.6. Sensitivity for SKT was 65%, specificity 65% and LR+ was 1.9.
CONCLUSION
Sensitivity, specificity and LR+ for 7MS and SKT were unacceptably low in this outpatient sample.
背景
简短认知测试是对因认知障碍而转诊至门诊的老年人进行评估的第一步。本研究的目的是确定在无痴呆或轻度痴呆的老年门诊患者样本中，简短认知测试七分钟筛查（7MS）和综合征简短测试（SKT）阳性结果的敏感性、特异性和阳性似然比（LR+）。
方法
本研究纳入了来自挪威10家老年病和老年精神病门诊的95名65岁及以上的患者。所有受试者的简易精神状态检查表评分均为22 - 30分。一个专家小组根据ICD - 10对痴呆进行了共识诊断，该小组在考虑来自标准化评估方案的数据时对7MS和SKT结果进行了盲法处理。
结果
受试者被诊断为轻度痴呆（n = 69）或无痴呆（n = 26）。7MS的敏感性为71%，特异性为73%，LR+为2.6。SKT的敏感性为65%，特异性为65%，LR+为1.9。
结论
在这个门诊样本中，7MS和SKT的敏感性、特异性和LR+低得令人无法接受。
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