2026-07-21T14:32:00Zhttps://repisalud.isciii.es/rest/oai/requestoai:repisalud.isciii.es:20.500.12105/92652024-09-27T17:39:58Zcom_20.500.12105_2052com_20.500.12105_2051col_20.500.12105_19608
Repisalud
author
Wetmore, John B
author
Arbelo, José Matías
author
Catalán, María José
author
Valldeoriola, Francesc
author
Rodriguez-Blazquez, Carmen
author
Martínez-Martín, Pablo
2020-03-18T07:45:27Z
2020-03-18T07:45:27Z
2019
Parkinsons Dis. 2019 Mar 28;2019:1965394.
10.1155/2019/1965394
2090-8083
Parkinson's disease
31031906
http://hdl.handle.net/20.500.12105/9265
Objectives: To assess the psychometric attributes of the Apathy Scale- (AS-) Spanish version in patients with advanced Parkinson's disease (APD). Materials and Methods: Over 6 months, 61 patients participated in a clinical study of levodopa-carbidopa intestinal gel (LCIG) and were evaluated using the AS and other clinical tools. Various psychometric attributes of the AS were assessed. Results: Patients (60.7% men) were aged 68.02 ± 7.43 years, with 12.57 ± 5.97 years from PD diagnosis. Median HY of patients in "on state" was 2 (range, 1-4), and mean levodopa equivalent daily dose was 1455.98 ± 456.00 mg. Overall, the parameters of feasibility/acceptability were satisfactory, except for a moderate-to-high floor effect in AS items but not in its total score (both 3.3%). Cronbach's alpha was 0.78, while item homogeneity coefficient was 0.21. Almost all items (11/14) reached acceptable item-total corrected correlations (rS = 0.16-0.50). AS total score was moderately correlated with Beck Depression Inventory (0.34) and with Non-Motor Symptoms Scale domains 2 (sleep/fatigue, 0.35), 3 (mood/apathy, 0.56), and 5 (attention/memory, 0.41). There were no significant differences between AS total scores by established groups of sex, time from diagnosis, HY, and Clinical Global Impression-Severity Scale. Following LCIG treatment, there was no significant change in the AS total score. The relative change was 5.56%, the standard error of the difference was 4.17, and Cohen's d effect was 0.10. Conclusions: The AS showed satisfactory feasibility, acceptability, scaling assumptions, internal consistency, and convergent validity. Responsiveness parameters were poor, probably due to the characteristics of the clinical study from which these data came. This trial is registered with NCT02289729.
eng
Psychometric Properties of the Apathy Scale in Advanced Parkinson's Disease
journal article
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PsychometricPropertiesOfThe_2019.pdf
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PsychometricPropertiesOfThe_2019.pdf.txt