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(a) EUROHIS‐QOL 8‐item index (EUROHIS‐QOL8) total score (on the left) and mean value of each domain of the scale (on the right) regarding to the motor, non‐motor, cognition, and dependency (MNCD) stage, from stage 0 to stages 4–5. (b) PQ‐10 score regarding to the MNCD stage, from stage 0 to stages 4–5. (c) Beck Depression Inventory II (BDI‐II) total score regarding to the MNCD stage, from stage 0 to stages 4–5.
