Development and validation of the dysarthria impact scale: a patient-reported outcome for motor speech disorders

Key Points

• The goal is to develop and validate a scale that measures how dysarthria affects quality of life.
• Development of the Dysarthria Impact Scale (DIS) as a patient-reported outcome measure.
• Validation of the DIS through reliability and practical application tests.
• Assessment of the scale’s responsiveness over time.
• The DIS is shown to be valid and reliable in measuring dysarthria impact.
• Demonstrates practical use for patients with motor speech disorders.