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<dc:creator>Santos García, Diego</dc:creator>
<dc:creator>Suárez Castro, Ester</dc:creator>
<dc:creator>Deus-Fonticoba, Teresa de</dc:creator>
<dc:creator>Feal Panceiras, M. J.</dc:creator>
<dc:creator>Muñoz Enríquez, J. G.</dc:creator>
<dc:creator>Paz González, José Manuel</dc:creator>
<dc:creator>Cores Bartolomé, Carlos</dc:creator>
<dc:creator>Planellás, Lluis L.</dc:creator>
<dc:creator>García Caldentey, Juan</dc:creator>
<dc:creator>Caballol, Núria</dc:creator>
<dc:creator>Legarda, Inés</dc:creator>
<dc:creator>Cabo López, Iria</dc:creator>
<dc:creator>López Manzanares, Lydia</dc:creator>
<dc:creator>Ávila Rivera, María A.</dc:creator>
<dc:creator>Catalán, María José</dc:creator>
<dc:creator>Nogueira, Víctor</dc:creator>
<dc:creator>Borrue, Carmen</dc:creator>
<dc:creator>Álvarez Saúco, María</dc:creator>
<dc:creator>Vela Desojo, Lydia</dc:creator>
<dc:creator>Cubo Delgado, Esther</dc:creator>
<dc:creator>Martínez Castrillo, Juan Carlos</dc:creator>
<dc:creator>Sánchez Alonso, Pilar</dc:creator>
<dc:creator>Alonso Losada, María Gema</dc:creator>
<dc:creator>López Ariztegui, Nuria</dc:creator>
<dc:creator>Gastón, Itziar</dc:creator>
<dc:creator>Kulisevsky Bojarsky, Jaume</dc:creator>
<dc:creator>Pagonabarraga, Javier</dc:creator>
<dc:creator>Seijo, Manuel</dc:creator>
<dc:creator>Ruíz Martínez, Javier</dc:creator>
<dc:creator>Valero, Caridad</dc:creator>
<dc:creator>Kurtis, Mónica M.</dc:creator>
<dc:creator>González Ardura, Jessica</dc:creator>
<dc:creator>Prieto, Cristina</dc:creator>
<dc:creator>Mir, Pablo</dc:creator>
<dc:creator>Martínez Martín, Pablo</dc:creator>
<dc:creator>COPPADIS Study Group</dc:creator>
<dc:date>2020-10</dc:date>
<dc:description>Introduction:&#xd;
The aim of the present study was to examine the frequency of self-reported sleep problems and their associated factors in a large cohort of PD patients.&#xd;
Methods:&#xd;
PD patients and controls, recruited from 35 centers of Spain from the COPPADIS cohort were included in this cross-sectional study. Sleep problems were assessed by the Spanish version of the Parkinson’s disease Sleep Scale version 1 (PDSS-1). An overall score below 82 or a score below 5 on at least 1 item was defined as sleep problems.&#xd;
Results:&#xd;
The frequency of sleep problems was nearly double in PD patients compared to controls: 65.8% (448/681) vs 33.5% (65/206) (p &lt; 0.0001). Mean total PDSS score was lower in PD patients than controls: 114.9 ± 28.8 vs 132.8 ± 16.3 (p &lt; 0.0001). Quality of life (QoL) was worse in PD patients with sleep problems compared to those without: PDQ-39SI, 19.3 ± 14 vs 13 ± 11.6 (p &lt; 0.0001); EUROHIS-QoL8, 3.7 ± 0.5 vs 3.9 ± 0.5 (p &lt; 0.0001). Non-motor symptoms burden (NMSS; OR = 1.029; 95%CI 1.015–1.043; p &lt; 0.0001) and impulse control behaviors (QUIP-RS; OR = 1.054; 95%CI 1.009–1.101; p = 0.018) were associated with sleep problems after adjustment for age, gender, disease duration, daily equivalent levodopa dose, H&amp;Y, UPDRS-III, UPDRS-IV, PD-CRS, BDI-II, NPI, VAS-Pain, VAFS, FOGQ, and total number of non-antiparkinsonian treatments.&#xd;
Conclusion:&#xd;
Sleep problems were frequent in PD patients and were related to both a worse QoL and a greater non-motor symptoms burden in PD. These findings call for increased awareness of sleep problems in PD patients.</dc:description>
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<dc:identifier>http://hdl.handle.net/10259/8803</dc:identifier>
<dc:language>eng</dc:language>
<dc:publisher>SAGE Publications</dc:publisher>
<dc:title>Sleep Problems Are Related to a Worse Quality of Life and a Greater Non-Motor Symptoms Burden in Parkinson’s Disease</dc:title>
<dc:type>info:eu-repo/semantics/article</dc:type>
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