KMID : 1197720200130030199
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´ëÇÑÆÄŲ½¼º´ ¹× ÀÌ»ó¿îµ¿Áúȯ ÇÐȸÁö 2020 Volume.13 No. 3 p.199 ~ p.204
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Parkinson Anxiety Scale: A Validation Study for the Brazilian Population
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Moraes-Ferreira Renilson
da Costa Alves Wilson Mateus Gomes Brandao-Rangel Maysa Alves Rodrigues Abrahin Odilon Pimentel Clebson Pantoja Correa-Sousa Evitom Vieira Rodolfo Paula Cortinhas-Alves Erik Artur
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Abstract
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Objective: The Parkinson Anxiety Scale (PAS) was developed to measure the severity of anxiety symptoms in patients with Parkinson¡¯s disease (PD), and it has not yet been adapted and validated in Portuguese. Thus, this study evaluated the reliability and validity of a translated and adapted version of the PAS for the Brazilian population of PD patients.
Methods: The Parkinson Anxiety Scale ? Brazilian Version (PAS-BV) was completed by 55 patients with PD. The reliability (test-retest reliability, interrater reliability and internal consistency) and construct validity of the PAS-BV were assessed by comparing it with the Beck Anxiety Inventory (BAI), the Parkinson¡¯s Disease Fatigue Scale (PFS) and the Unified Parkinson Disease Rating Scale (UPDRS) part III.
Results: Patients with PD had an average age of 64.51 ¡¾ 9.20 years and had PD for an average of 6.98 ¡¾ 5.02 years. The reliability of the PAS-BV was 0.83, and the intraclass correlation coefficient (ICC) (retest-test) was 0.88. The scale presented good convergent validity with the BAI (rs = 0.82, p < 0.05). It also presented good divergent validity with the PFS (rs = 0.24, p > 0.05) and the UPDRS part II (rs = -0.10, p > 0.05), part III (rs = -0.21, p > 0.05), and part IV (rs = 0.03, p > 0.05), as indicated by the absence of significant correlations. However, there was a significant correlation between the PAS-BV and part I of the UPDRS (rs = 0.67, p < 0.05).
Conclusion: The PAS-BV presents substantial reliability and validity for patients with PD without dementia.
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KEYWORD
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Anxiety disorder, Parkinson¡¯s disease, Validation study
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