Fig. 3

Survival curves in landmark analysis with the x-axis of time (year) and the y-axis of survival probability (%), comparing (I) progression-free interval and (II) overall survival between choline alfoscerate-exposed (blue (dark gray) line) and nonexposed (orange (light gray) line) groups at different landmark timepoints of (a) 360 days, (b) 720 days, and (c) 1080 days