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UpSet plot (“Company They Keep”) of PD-PROP symptoms of Balance, Gait, Falling and Freezing. UpSet plot (“Company They Keep”) illustrates the number of PD-PROP symptoms of Balance, Gait, Falling and Freezing occurring prior to first affirmation of having fallen in the last month or end of observation period. Dots denote whether symptoms were reported alone (single dot) or in combination. Horizontal bars display total symptom reporting for each of the four symptoms.
