Background: Parkinson's disease (PD) is a neurodegenerative condition with a diverse and complex pattern of motor and non-motor symptoms which change over time with disease duration.
Objective: The aims of the present study were to discover what symptoms matter most to people with the condition and to examine how these priorities change with disease duration.
Methods: A simple free-text online survey (using SmartSurvey) was developed by Parkinson's UK, which asked participants to identify up to three aspects of the condition they would most like to see improvement in.