Browsing by Author "Choi, Dongrak"
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Expanded and Independent Spanish validation of the <scp>MDS</scp> ‐ Non Motor Rating Scale
Cubo, Esther; Luo, Sheng; Martínez-Martín, Pablo; Stebbins, Glenn T; Lin, Jeffrey; Choi, Dongrak; García-Bustillo, Alvaro; ... (13 authors) -
It Is as It Was: MDS-UPDRS Part III Scores Cannot Be Combined with Other Parts to Give a Valid Sum.
Goetz, Christopher G; Choi, Dongrak; Guo, Yuanyuan; Stebbins, Glenn T; Mestre, Tiago A; Luo, Sheng (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.
Tosin, Michelle Hyczy de Siqueira; Goetz, Christopher G; Luo, Sheng; Choi, Dongrak; Stebbins, Glenn T (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 ... -
Novel Approach to Movement Disorder Society–Unified Parkinson's Disease Rating Scale Monitoring in Clinical Trials: Longitudinal Item Response Theory Models
Luo, Sheng; Zou, Haotian; Goetz, Christopher G; Choi, Dongrak; Oakes, David; Simuni, Tanya; Stebbins, Glenn T (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 ... -
Resolving Missing Data from the Movement Disorder Society Unified Parkinson's Disease Rating Scale: Implications for Telemedicine.
Luo, Sheng; Goetz, Christopher G; Choi, Dongrak; Aggarwal, Sanket; Mestre, Tiago A; Stebbins, Glenn T (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 ...