Abbreviation (ISO4): Chinese Journal of Alzheimer's Disease and Related Disorders
Editor in chief: Jun WANG
Chinese Journal of Alzheimer's Disease and Related Disorders >
Effects of different scales on evaluating post-stroke cognitive impairment
Received date: 2020-02-17
Revised date: 2020-02-26
Online published: 2020-06-25
Objective: To compare the roles of mini-mental state examination (MMSE), Alzheimer's disease assessment scale-cognitive (ADAS-cog) and clinical dementia rating (CDR) in the assessment of post-stroke cognitive impairment (PSCI) based on multi-center large sample clinical data. Methods: The acute stroke patients (n=983) onset within 14 days were assessed by MMSE, ADAS-cog and CDR, and diagnosed according to AHA/ASA guidelines and NINCD-ADRDA criteria. The results, sensitivity, and specificity of these scales were compared. Results: The rates of cognitive dysfunction were 19.33% assayed by MMSE and 28.99% by ADAS-cog. According to CDR, there were 49.38% of suspected dementia, 10.63% of mild dementia, 2.80% of moderate dementia, and 0.90% of severe dementia. The results evaluated by the three scales were significantly different (χ2=2787.64, P< 0.01) and not independent (P< 0.01). The three scales had good efficacy in the diagnosis of PSCI and PSD, but the best demarcation points of MMSE and ADAS-cog were different from the existing conclusions. MMSE and CDR had higher diagnostic efficacy for PSD (P< 0.05). ADAS-cog had no significant difference in the diagnostic efficacy of PSCI and PSD. Conclusion: The impact of demarcation points of MMSE and ADAS-cog should be taken into account when screening of PSCI. MMSE and CDR have advantages in screening for severe PSCI.
Key words: Acute stroke; Cognitive impairment; Neuropsychological scales
LI Jiarui , LUO Benyan . Effects of different scales on evaluating post-stroke cognitive impairment[J]. Chinese Journal of Alzheimer's Disease and Related Disorders, 2020 , 3(2) : 108 -112 . DOI: 10.3969/j.issn.2096-5516.2020.02.004
表1 患者临床诊断 |
AHA/ASA标准PSCI-ND诊断n(%) PSCI-ND according to AHA/ASA standard n(%) | NINDS-AIREN标准PSD诊断n(%) PSD according to NINDS-AIREN standard n(%) | ||||||
---|---|---|---|---|---|---|---|
很可能Probable | 可能Suspect | 不稳定Unstable | 否Normal | 很可能Probable | 可能Suspect | 确定Certain | 否Normal |
250(25.43) | 151(15.36) | 30(3.05) | 552(56.36) | 107(10.89) | 36(3.66) | 13(1.32) | 827(84.33) |
表2 MMSE、ADAS-cog以及CDR与诊断结果比较的ROC曲线统计结果 |
检验的结果变量Result variable | AUC (95%CI) | |
---|---|---|
PSCI诊断结果 PSCI diagnosis results | NINDS-AIREN标准的PSD诊断结果 PSD diagnosis results | |
MMSE原始得分(MMSE raw score) | 0.887(0.864~0.911)** | 0.951(0.935~0.967)**# |
MMSE划分结果(MMSE result) | 0.663(0.626~0.701)** | 0.900(0.865~0.936)**# |
ADAS-cog原始得分(ADAS-cog raw score) | 0.885(0.862~0.908)** | 0.898(0.869~0.927)** |
ADAS-cog划分结果(ADAS-cog result) | 0.773(0.739~0.806)** | 0.817(0.779~0.854)** |
Global CDR | 0.844(0.816~0.872)** | 0.921(0.892~0.951)**# |
注:**P< 0.01,原假设:AUC=0.5; # :与PSCI诊断结果的AUC差异显著(P< 0.05)。 | |
Note: **P< 0.01, H0:AUC=0.5; #: The AUC was significantly different from that of PSCI diagnosis results (P< 0.05). |
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