The Impact of COVID-19 on Parkinson’s Disease: A Case-Controlled Registry and Questionnaire Study on Clinical Markers and Patients’ Perceptions

<div>Flowchart of participants in the questionnaire study (QS). A total of 66 questionnaires were completed. The response rate was 37%. Participants who did not initially respond to the questionnaire were contacted via telephone to discuss the study and their participation.</div>

Acta Neurologica Scandinavica

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Figure 2: The Impact of COVID-19 on Parkinson’s Disease: A Case-Controlled Registry and Questionnaire Study on Clinical Markers and Patients’ Perceptions 

Figure 2 | The Impact of COVID-19 on Parkinson’s Disease: A Case-Controlled Registry and Questionnaire Study on Clinical Markers and Patients’ Perceptions 