Fig. 1: Kaplan–Meier survival curves for reaching disease milestones.
From: Clinical classification systems and long-term outcome in mid- and late-stage Parkinson’s disease
Number of cases entering intervals below each graph. a Motor-nonmotor subtype classification system outcomes as indicated; b Motor-phenotype system outcomes as indicated. MMP Mild-motor-predominant subtype, IM Intermediate subtype, DM Diffuse-malignant subtype, HY5 Hoehn and Yahr stage 5, TD Tremor-dominant motor-phenotype, U Undetermined motor-phenotype, PIGD Postural stability and gait disorder motor-phenotype.
