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      Computerized screening for cognitive impairment in patients with COPD

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          Abstract

          Purpose

          COPD is associated with cognitive impairment. These impairments should be diagnosed, but due to time- and budget-reasons, they are often not investigated. The aim of this study is to examine the viability of a brief computerized cognitive test battery, Central Nervous System Vital Signs (CNSVS), in COPD patients.

          Patients and methods

          Patients with COPD referred to tertiary pulmonary rehabilitation were included. Cognitive functioning of patients was assessed with CNSVS before pulmonary rehabilitation and compared with age-corrected CNSVS norms. CNSVS is a 30 minute computerized test battery that includes tests of verbal and visual memory, psychomotor speed, processing speed, cognitive flexibility, complex attention, executive functioning, and reaction time.

          Results

          CNSVS was fully completed by 205 (93.2%, 105 females, 100 males) of the total group of patients (n=220, 116 females, 104 males). Z-tests showed that COPD patients performed significantly worse than the norms on all CNSVS cognitive domains. Slightly more than half of the patients (51.8%) had impaired functioning on 1 or more cognitive domains. Patients without computer experience performed significantly worse on CNSVS than patients using the computer frequently.

          Conclusion

          The completion rate of CNSVS was high and cognitive dysfunctions measured with this screening were similar to the results found in prior research, including paper and pen cognitive tests. These results support the viability of this brief computerized cognitive screening in COPD patients, that may lead to better care for these patients. Cognitive performance of patients with little computer experience should be interpreted carefully. Future research on this issue is needed.

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          Most cited references 19

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          Statistical Power Analysis for the Behavioral Sciences

           Jacob Cohen (2013)
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            Reliability and validity of a computerized neurocognitive test battery, CNS Vital Signs.

            CNS Vital Signs (CNSVS) is a computerized neurocognitive test battery that was developed as a routine clinical screening instrument. It is comprised of seven tests: verbal and visual memory, finger tapping, symbol digit coding, the Stroop Test, a test of shifting attention and the continuous performance test. Because CNSVS is a battery of well-known neuropsychological tests, one should expect its psychometric properties to resemble those of the conventional tests upon which it is based. 1069 subjects age 7-90 participated in the normative database for CNSVS. Test-retest reliability (TRT) was evaluated in 99 Ss who took the battery on two separate occasions, separated, on the average, by 62 days; the results were comparable to those achieved by equivalent conventional and computerized tests. Concurrent validity studies in 180 subjects, normals and neuropsychiatric patients, indicate correlations that are comparable to the concurrent validity of similar tests. Discriminant validity is supported by studies of patients with mild cognitive impairment and dementia, post-concussion syndrome and severe traumatic brain injury, ADHD (treated and untreated) and depression (treated and untreated). The tests in CNSVS are also sensitive to malingerers and patients with conversion disorders. The psychometric characteristics of the tests in the CNSVS battery are very similar to the characteristics of the conventional neuropsychological tests upon which they are based. CNSVS is suitable for use as a screening instrument, or as a serial assessment measure. But it is not a substitute for formal neuropsychological testing, it is not diagnostic, and it will have only a limited role in the medical setting, absent the active participation of consulting neuropsychologists.
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              Discovering statistics using SPSS

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                Author and article information

                Journal
                Int J Chron Obstruct Pulmon Dis
                Int J Chron Obstruct Pulmon Dis
                International Journal of COPD
                International Journal of Chronic Obstructive Pulmonary Disease
                Dove Medical Press
                1176-9106
                1178-2005
                2017
                19 October 2017
                : 12
                : 3075-3083
                Affiliations
                [1 ]Department of Cognitive Neuropsychology, Tilburg University, Tilburg
                [2 ]Pulmonary Rehabilitation Center ‘Schoondonck’, Revant, Breda, the Netherlands
                Author notes
                Correspondence: Margriet Sitskoorn, Department of Cognitive Neuropsychology, Tilburg University, Warandelaan 2, PO Box 90153, 3500 LE, Tilburg, the Netherlands, Tel +31 13 466 2497, Fax +31 13 466 2067, Email m.m.sitskoorn@ 123456uvt.nl
                Article
                copd-12-3075
                10.2147/COPD.S142871
                5654818
                © 2017 Campman et al. This work is published and licensed by Dove Medical Press Limited

                The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License ( http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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                Original Research

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