Fig. 4From: Life and disease status of patients with Parkinson’s disease during and after zero-COVID in China: an online surveyThe mental psychological problems among PD patients during and after zero-COVID. a The mental psychological problems in PD patients with or without lockdown experience during zero-COVID. b The mental psychological problems in COVID-19-positive and negative PD patients after zero-COVID. Significant differences in mental psychological problems between PD patients with and without lockdown experience, and between COVID-19-positive and negative PD patients are labeled with P valuesBack to article page