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<field name="value">Ayala, Alba</field>
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<field name="value">Triviño Juárez, José Matías</field>
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<field name="value">Forjaz, María Joao</field>
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<field name="value">Martínez Martín, Pablo</field>
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<field name="value">Cubo Delgado, Esther</field>
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<field name="value">2024-03-08T08:57:26Z</field>
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<field name="value">http://hdl.handle.net/10259/8780</field>
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<field name="value">10.3389/fneur.2017.00551</field>
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<field name="value">Objective: The aim of this study is to present a predictive model of Parkinson’s disease (PD) global severity, measured with the Clinical Impression of Severity Index for Parkinson’s Disease (CISI-PD).&#xd;
&#xd;
Methods: This is an observational, longitudinal study with annual follow-up assessments over 3 years (four time points). A multilevel analysis and multiple imputation techniques were performed to generate a predictive model that estimates changes in the CISI-PD at 1, 2, and 3 years.&#xd;
&#xd;
Results: The clinical state of patients (CISI-PD) significantly worsened in the 3-year follow-up. However, this change was of small magnitude (effect size: 0.44). The following baseline variables were significant predictors of the global severity change: baseline global severity of disease, levodopa equivalent dose, depression and anxiety symptoms, autonomic dysfunction, and cognitive state. The goodness-of-fit of the model was adequate, and the sensitive analysis showed that the data imputation method applied was suitable.&#xd;
&#xd;
Conclusion: Disease progression depends more on the individual’s baseline characteristics than on the 3-year time period. Results may contribute to a better understanding of the evolution of PD including the non-motor manifestations of the disease.</field>
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<field name="value">The Spanish Longitudinal PD Patient Study (Estudio longitudinal de pacientes con enfermedad de Parkinson) was supported by an Intramural Research Programme grant from the Carlos III Institute of Health (Code: EPY1271/05). Partial funding was also obtained from the following grants: ENVACES (MINECO/FEDER/UE, ref. CSO2015-64115-R) and ENCAGE-CM (Comunidad de Madrid, ref. S2015/HUM-3367).</field>
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<field name="value">Frontiers in Neurology. 2017, V. 8</field>
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<field name="value">https://doi.org/10.3389/fneur.2017.00551</field>
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<field name="value">Parkinson’s disease</field>
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<field name="value">Sistema nervioso-Enfermedades</field>
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<field name="value">Parkinson’s Disease Severity at 3 Years Can Be Predicted from Non-Motor Symptoms at Baseline</field>
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