Fig. 6From: Does the 5–2-1 criteria identify patients with advanced Parkinson's disease? Real-world screening accuracy and burden of 5–2-1-positive patients in 7 countriesMeasures of humanistic burden in APD patients compared with non-APD patients (physician judgement). *p < 0.0001. APD, Advanced Parkinson’s disease; EQ-5D, EuroQol 5-Dimension (1.0 indicates best QoL); PD, Parkinson’s disease; PDQ-39, Parkinson’s Disease Questionnaire-39 (higher score indicates worse QoL); ZBI, Zarit Burden InterviewBack to article page