Fig. 2: Longitudinal GIDS-PD domain scores in PD and RBD patients.
From: The profile of gastrointestinal dysfunction in prodromal to late-stage Parkinson’s disease

No significant differences in GIDS-PD scores were observed over 4 visits spanning an average of 3-year follow-up in 245 PD participants (A–C) and over 2 year follow-up (D–F) in 25 RBD cases. GIDS-PD Gastrointestinal Dysfunction Scale–Parkinson’s disease, RBD REM Sleep Behaviour Disorder. Error bars represent SD.