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The Parkinson fatigue scale: an evaluation of its validity and reliability in Greek Parkinson's disease patients.

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Title: The Parkinson fatigue scale: an evaluation of its validity and reliability in Greek Parkinson's disease patients.
Authors: Dagklis, Ioannis E. (AUTHOR), Tsantaki, Efthymia (AUTHOR), Kazis, Dimitrios (AUTHOR), Theodoridou, Varvara (AUTHOR), Papagiannopoulos, Sotirios (AUTHOR), Ntantos, Dimitrios (AUTHOR), Bostantjopoulou, Sevasti (AUTHOR)
Source: Neurological Sciences. Apr2019, Vol. 40 Issue 4, p683-690. 8p. 4 Charts.
Subjects: Parkinson's disease, Fatigue (Physiology), Cronbach's alpha, Statistical reliability, Test validity, Parkinson's disease diagnosis, Health surveys, Psychometrics, Questionnaires, Research evaluation, Severity of illness index, Disease complications, Equipment & supplies
Geographic Terms: Greece
Abstract: Objective: Fatigue is one of the most frequent and important nonmotor symptoms of patients with Parkinson disease (PD), affecting quality of life. Although, in some cases, it may be a severe and debilitating complaint, it remains relatively unexplored. The PFS-16 is a fatigue measure, specifically designed for PD patients. The aim of this study was to investigate the psychometric properties of Parkinson fatigue scale (PFS-16) in Greek PD patients.Methods: In total, 99 patients with PD were assessed. The following psychometric properties were tested: data quality, floor/ceiling effects, reliability (internal consistency, test-retest reliability), and construct validity. Construct validity was evaluated by examining correlations with other variables including other fatigue measures such as Fatigue Severity Scale (FSS) and the vitality scale (SF-VT) of SF-36. Moreover, assumptions were explored about "known" groups concerning fatigue.Results: The mean score for the PFS-16 was 2.95 (± 0.91); acceptability was good with negligible floor and ceiling effects. Results showed high internal consistency (Cronbach's alpha, 0.96) and test-retest reliability (ICC, 0.93). Strong correlations were observed between the PFS-16 and other fatigue (FFS and SF-VT) measures (rs = 0.77 and - 0.70, p < 0.001), revealing appropriate validity. Furthermore, predictions for "known" groups validity were verified.Conclusion: The Greek version of the PFS-16 showed satisfactory reliability and validity and thus can be regarded as a useful tool in assessing fatigue in PD. [ABSTRACT FROM AUTHOR]
Copyright of Neurological Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: The Parkinson fatigue scale: an evaluation of its validity and reliability in Greek Parkinson&#39;s disease patients.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Dagklis%2C+Ioannis+E%2E%22&quot;&gt;Dagklis, Ioannis E.&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Tsantaki%2C+Efthymia%22&quot;&gt;Tsantaki, Efthymia&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Kazis%2C+Dimitrios%22&quot;&gt;Kazis, Dimitrios&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Theodoridou%2C+Varvara%22&quot;&gt;Theodoridou, Varvara&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Papagiannopoulos%2C+Sotirios%22&quot;&gt;Papagiannopoulos, Sotirios&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Ntantos%2C+Dimitrios%22&quot;&gt;Ntantos, Dimitrios&lt;/searchLink&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Bostantjopoulou%2C+Sevasti%22&quot;&gt;Bostantjopoulou, Sevasti&lt;/searchLink&gt; (AUTHOR)
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Neurological+Sciences%22&quot;&gt;Neurological Sciences&lt;/searchLink&gt;. Apr2019, Vol. 40 Issue 4, p683-690. 8p. 4 Charts.
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  Data: &lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Parkinson&#39;s+disease%22&quot;&gt;Parkinson&#39;s disease&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Fatigue+%28Physiology%29%22&quot;&gt;Fatigue (Physiology)&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Cronbach&#39;s+alpha%22&quot;&gt;Cronbach&#39;s alpha&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Statistical+reliability%22&quot;&gt;Statistical reliability&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Test+validity%22&quot;&gt;Test validity&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Parkinson&#39;s+disease+diagnosis%22&quot;&gt;Parkinson&#39;s disease diagnosis&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Health+surveys%22&quot;&gt;Health surveys&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Psychometrics%22&quot;&gt;Psychometrics&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Questionnaires%22&quot;&gt;Questionnaires&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Research+evaluation%22&quot;&gt;Research evaluation&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Severity+of+illness+index%22&quot;&gt;Severity of illness index&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Disease+complications%22&quot;&gt;Disease complications&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Equipment+%26+supplies%22&quot;&gt;Equipment &amp; supplies&lt;/searchLink&gt;
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  Data: &lt;bold&gt;Objective: &lt;/bold&gt;Fatigue is one of the most frequent and important nonmotor symptoms of patients with Parkinson disease (PD), affecting quality of life. Although, in some cases, it may be a severe and debilitating complaint, it remains relatively unexplored. The PFS-16 is a fatigue measure, specifically designed for PD patients. The aim of this study was to investigate the psychometric properties of Parkinson fatigue scale (PFS-16) in Greek PD patients.&lt;bold&gt;Methods: &lt;/bold&gt;In total, 99 patients with PD were assessed. The following psychometric properties were tested: data quality, floor/ceiling effects, reliability (internal consistency, test-retest reliability), and construct validity. Construct validity was evaluated by examining correlations with other variables including other fatigue measures such as Fatigue Severity Scale (FSS) and the vitality scale (SF-VT) of SF-36. Moreover, assumptions were explored about &quot;known&quot; groups concerning fatigue.&lt;bold&gt;Results: &lt;/bold&gt;The mean score for the PFS-16 was 2.95 (&#177; 0.91); acceptability was good with negligible floor and ceiling effects. Results showed high internal consistency (Cronbach&#39;s alpha, 0.96) and test-retest reliability (ICC, 0.93). Strong correlations were observed between the PFS-16 and other fatigue (FFS and SF-VT) measures (rs = 0.77 and - 0.70, p &lt; 0.001), revealing appropriate validity. Furthermore, predictions for &quot;known&quot; groups validity were verified.&lt;bold&gt;Conclusion: &lt;/bold&gt;The Greek version of the PFS-16 showed satisfactory reliability and validity and thus can be regarded as a useful tool in assessing fatigue in PD. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Neurological Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10072-018-3695-5
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Parkinson's disease
        Type: general
      – SubjectFull: Fatigue (Physiology)
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      – SubjectFull: Cronbach's alpha
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      – SubjectFull: Statistical reliability
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      – SubjectFull: Parkinson's disease diagnosis
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      – SubjectFull: Health surveys
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      – SubjectFull: Greece
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      – TitleFull: The Parkinson fatigue scale: an evaluation of its validity and reliability in Greek Parkinson's disease patients.
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              Text: Apr2019
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