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Browsing by Author "Stebbins, Glenn T"
Now showing items 1-20 of 23
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Application of Longitudinal Item Response Theory Models to Modeling Parkinson's Disease Progression.
(CPT: pharmacometrics & systems pharmacology, 2022-07-27)The Movement Disorder Society revised version of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Parts 2 and 3 reflect patient-reported functional impact and clinician-reported severity of motor signs of Parkinson's ... -
Cross-Cultural Differences in Patient Perceptions of Dyskinesia in Parkinson's Disease.
(Mov Disord, 2023-01-20)BACKGROUND: The prevalence of levodopa-induced dyskinesia (LID) in Parkinson's disease (PD) varies among geographical regions. Cultural differences in patient-based perceptions of LID have not been studied. OBJECTIVE: We ... -
Dissecting the Domains of Parkinson's Disease: Insights from Longitudinal Item Response Theory Modeling.
(Movement disorders : official journal of the Movement Disorder Society, 2022-09)<h4>Background</h4>Longitudinal item response theory (IRT) models previously suggested that the Movement Disorder Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS) motor examination has two salient domains, tremor ... -
IPMDS-Sponsored Scale Translation Program: Process, Format, and Clinimetric Testing Plan for the MDS-UPDRS and UDysRS
(Movement Disorders Clinical Practice, 2014-06-01)We present the methodology and results of the clinimetric testing program for non-English translations of International Parkinson and Movement Disorder Society (MDS)–sponsored scales. The programs focus on the MDS revision ... -
It Is as It Was: MDS-UPDRS Part III Scores Cannot Be Combined with Other Parts to Give a Valid Sum.
(Movement disorders : official journal of the Movement Disorder Society, 2022-12)<h4>Background</h4>Original clinimetric analyses by the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) developers did not confirm the validity of summing the scores ... -
Item Response Theory Analysis of the MDS-UPDRS Motor Examination: Tremor vs. Nontremor Items.
(Movement disorders : official journal of the Movement Disorder Society, 2020-05-29)BACKGROUND:In PD, tremor severity behaves differently from other core motor features. However, the most commonly used assessment of overall motor severity, total MDS-UPDRS Motor Examination (Part 3) score, does not account ... -
Missing Data in the Unified Dysksinesia Rating Scale (UDysRS).
(Movement disorders clinical practice, 2018-09)Identify the number of allowable missing values still permitting valid surrogate score calculation for the Unified Dyskinesia Rating Scale (UDysRS). Missing data frequently occur in Parkinson's disease rating scales, and ... -
Movement Disorder Society-Unified Parkinson's Disease Rating Scale Use in the Covid-19 Era.
(Movement disorders : official journal of the Movement Disorder Society, 2020-04-22) -
Novel Approach to Movement Disorder Society–Unified Parkinson's Disease Rating Scale Monitoring in Clinical Trials: Longitudinal Item Response Theory Models
(Movement Disorders Clinical Practice, 2021-01-01)Background: Although nontremor and tremor Part 3 Movement Disorder Society–Unified Parkinson's Disease Rating Scale items measure different impairment domains, their distinct progression and drug responsivity remain unstudied ... -
Prognostic Modeling of Parkinson's Disease Progression Using Early Longitudinal Patterns of Change.
(Movement disorders : official journal of the Movement Disorder Society, 2021-07-30)<h4>Background</h4>Predicting Parkinson's disease (PD) progression may enable better adaptive and targeted treatment planning.<h4>Objective</h4>Develop a prognostic model using multiple, easily acquired longitudinal measures ... -
Reply to: Comment on "Summing MDS-UPDRS Parts 1 + 2 (Non-motor and Motor Experience of Daily Living): The Patient's Voice".
(Movement disorders : official journal of the Movement Disorder Society, 2023-08) -
Resolving Missing Data from the Movement Disorder Society Unified Parkinson's Disease Rating Scale: Implications for Telemedicine.
(Movement disorders : official journal of the Movement Disorder Society, 2022-06-18)<h4>Background</h4>Telemedicine has become standard in clinical care and research during the coronavirus disease 2019 pandemic. Remote administration of Movement Disorder Society Unified Parkinson's Disease Rating Scale ... -
Successful use of the Unified Dyskinesia Rating Scale regardless of PD- or dyskinesia-duration.
(Parkinsonism & related disorders, 2019-10)OBJECTIVE:We assessed differential item functioning (DIF) in the Unified Dyskinesia Rating Scale (UDysRS) to evaluate bias risk from the duration of Parkinson's Disease (PD) and duration of dyskinesia. BACKGROUND:Assessing ... -
Summing MDS-UPDRS Parts 1 + 2 (Non-motor and Motor Experience of Daily Living): The Patient's Voice.
(Movement disorders : official journal of the Movement Disorder Society, 2023-04) -
Validation of the Arabic Version of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale.
(Movement disorders : official journal of the Movement Disorder Society, 2022-04)<h4>Background</h4>The Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) has become the gold standard for evaluating different domains in Parkinson's disease (PD), and it is commonly used in ... -
Validation of the Finnish Version of the Unified Dyskinesia Rating Scale.
(European neurology, 2021-07-14)<h4>Introduction</h4>The Unified Dyskinesia Rating Scale (UDysRS) was developed to provide a comprehensive rating tool of dyskinesia in Parkinson's disease (PD). Because dyskinesia therapy trials involve multicenter studies, ... -
Validation of the Hebrew version of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale.
(Parkinsonism & related disorders, 2017-12)The Movement Disorders Society (MDS) published the English new Unified Parkinson's Disease Rating Scale (MDS-UPDRS) as the official benchmark scale for Parkinson's disease (PD) in 2008. We aimed to validate the Hebrew version ...
