{"title":"认知对中国脑卒中患者 n-back 测试重复可靠性和并发有效性的影响。","authors":"Xiuzhen Liu, Fang Li, Weiqun Song","doi":"10.1080/23279095.2022.2121211","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>The objective of this study was the measurement of the test-retest reliability of n-back in Chinese stroke patients.</p><p><strong>Methods: </strong>Seventy-five sub-acute stroke patients performed n-back twice in three days. The test-retest reliability of n-back was analyzed by correlation coefficient.</p><p><strong>Results: </strong>The n-back had excellent test-retest reliability in stroke patients. Pearson or Spearman coefficients ranged from 0.81 to 0.88. The intra-class correlation coefficients ranged from 0.72 to 0.87. The Chinese version of Montreal Cognitive Assessment-Basic (MoCA-BC) score was significantly correlated with the performance of n-back. MoCA-BC and n-back accuracy were significantly related in the Mild Cognitive Impairment (MCI) group (<i>r</i> = 0.60 in 1-back, <i>p</i> = .002; <i>r</i> = 0.43 in 2-back, <i>p</i> = .040). However, MoCA-BC was correlated with reaction time (RT) in the Cognitively Normal (CN) group (<i>r</i> = -0.44 in 1-back, <i>p</i> = .003; <i>r</i> = -0.36 in 2-back, <i>p</i> = .018). The test-retest reliability of CN group was mostly higher than that of MCI group RT: 0.71-0.76 in MCI, 0.80-0.88 in CN; accuracy: 0.80-0.85 in MCI, 0.75-0.86 in CN). The practice effect was observed in the CN group instead of the MCI group.</p><p><strong>Conclusions: </strong>This study indicated that the test-retest reliability of n-back was high in stroke patients. N-back was correlated with cognition. It was preferable to conduct subgroup analyses according to the level of cognitive assessment of patients with stroke.</p>","PeriodicalId":50741,"journal":{"name":"Applied Neuropsychology-Adult","volume":null,"pages":null},"PeriodicalIF":1.7000,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Impact of cognition on test-retest reliability and concurrent validity of n-back for Chinese stroke patients.\",\"authors\":\"Xiuzhen Liu, Fang Li, Weiqun Song\",\"doi\":\"10.1080/23279095.2022.2121211\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>The objective of this study was the measurement of the test-retest reliability of n-back in Chinese stroke patients.</p><p><strong>Methods: </strong>Seventy-five sub-acute stroke patients performed n-back twice in three days. The test-retest reliability of n-back was analyzed by correlation coefficient.</p><p><strong>Results: </strong>The n-back had excellent test-retest reliability in stroke patients. Pearson or Spearman coefficients ranged from 0.81 to 0.88. The intra-class correlation coefficients ranged from 0.72 to 0.87. The Chinese version of Montreal Cognitive Assessment-Basic (MoCA-BC) score was significantly correlated with the performance of n-back. MoCA-BC and n-back accuracy were significantly related in the Mild Cognitive Impairment (MCI) group (<i>r</i> = 0.60 in 1-back, <i>p</i> = .002; <i>r</i> = 0.43 in 2-back, <i>p</i> = .040). However, MoCA-BC was correlated with reaction time (RT) in the Cognitively Normal (CN) group (<i>r</i> = -0.44 in 1-back, <i>p</i> = .003; <i>r</i> = -0.36 in 2-back, <i>p</i> = .018). The test-retest reliability of CN group was mostly higher than that of MCI group RT: 0.71-0.76 in MCI, 0.80-0.88 in CN; accuracy: 0.80-0.85 in MCI, 0.75-0.86 in CN). The practice effect was observed in the CN group instead of the MCI group.</p><p><strong>Conclusions: </strong>This study indicated that the test-retest reliability of n-back was high in stroke patients. N-back was correlated with cognition. It was preferable to conduct subgroup analyses according to the level of cognitive assessment of patients with stroke.</p>\",\"PeriodicalId\":50741,\"journal\":{\"name\":\"Applied Neuropsychology-Adult\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.7000,\"publicationDate\":\"2024-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Neuropsychology-Adult\",\"FirstCategoryId\":\"102\",\"ListUrlMain\":\"https://doi.org/10.1080/23279095.2022.2121211\",\"RegionNum\":4,\"RegionCategory\":\"心理学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2022/9/24 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Neuropsychology-Adult","FirstCategoryId":"102","ListUrlMain":"https://doi.org/10.1080/23279095.2022.2121211","RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2022/9/24 0:00:00","PubModel":"Epub","JCR":"","JCRName":"","Score":null,"Total":0}
Impact of cognition on test-retest reliability and concurrent validity of n-back for Chinese stroke patients.
Objective: The objective of this study was the measurement of the test-retest reliability of n-back in Chinese stroke patients.
Methods: Seventy-five sub-acute stroke patients performed n-back twice in three days. The test-retest reliability of n-back was analyzed by correlation coefficient.
Results: The n-back had excellent test-retest reliability in stroke patients. Pearson or Spearman coefficients ranged from 0.81 to 0.88. The intra-class correlation coefficients ranged from 0.72 to 0.87. The Chinese version of Montreal Cognitive Assessment-Basic (MoCA-BC) score was significantly correlated with the performance of n-back. MoCA-BC and n-back accuracy were significantly related in the Mild Cognitive Impairment (MCI) group (r = 0.60 in 1-back, p = .002; r = 0.43 in 2-back, p = .040). However, MoCA-BC was correlated with reaction time (RT) in the Cognitively Normal (CN) group (r = -0.44 in 1-back, p = .003; r = -0.36 in 2-back, p = .018). The test-retest reliability of CN group was mostly higher than that of MCI group RT: 0.71-0.76 in MCI, 0.80-0.88 in CN; accuracy: 0.80-0.85 in MCI, 0.75-0.86 in CN). The practice effect was observed in the CN group instead of the MCI group.
Conclusions: This study indicated that the test-retest reliability of n-back was high in stroke patients. N-back was correlated with cognition. It was preferable to conduct subgroup analyses according to the level of cognitive assessment of patients with stroke.