Orthostatic Tremor Severity and Disability Scale
A self-administered 10-item scale to evaluate the severity and disability of orthostatic tremor.
Permission is required for each single use of the MDS Clinical Outcome Assessments.
The Orthostatic Tremor Severity and Disability Scale is a self-administered 10-item scale developed to evaluate the severity and disability of orthostatic tremor in both a clinical and research setting. Its development required patient focus groups, multiple rounds of Delphi panels and cognitive interviews to capture the full spectrum of manifestations relevant to OT patients. It is valid and reliable for capturing orthostatic tremor-related severity and disability. The scale has been evaluated for content validity, internal consistency, measurement error and reliability, construct validity and concurrent validity. The scale assesses the patient’s perception of OT-related symptoms over a 1-week period. Each item is ranked on a scale of 0 (no disability/severity) to 5 (maximal disability/severity), with a maximum score of 50. Higher scores correspond to greater disability.
Authors: Aristide Merola, MD, PhD; Diego R. Torres-Russotto, MD; Glenn T. Stebbins, PhD; Joaquin A. Vizcarra, MD; Aparna Wagle Shukla, MD; Anhar Hassan, MBBCh, FRACP; Luca Marsili, MD, PhD; Joachim K. Krauss, MD; Rodger J. Elble, MD, PhD; Günther Deuschl, MD, PhD; and Alberto J. Espay, MD, MSc
Original Publication │ View the Scale (PDF) Permission required for use
- Acronym: OT-10
- Year Published: 2020
- Scale Last Updated: No updates since publication
- Assessment Type: Patient-Reported Outcome (PRO)
- Estimated Time to Administer the Scale: 5 minutes
- Available Translations: None
- Additional Scale Publications: None
To request permission to use this Rating Scale, please fill out a Permission Request Form.
Inclusive Language in Clinical Outcome AssessmentsHealthcare providers should tailor the language used in COAs to reflect each patient’s gender identity. In grammatically gendered languages, the practice includes making appropriate linguistic adjustments to ensure communication is respectful and inclusive throughout the assessment process. |