Fig. 1: Mean GIDS-PD scores in controls, RBD and across H&Y stages.
From: The profile of gastrointestinal dysfunction in prodromal to late-stage Parkinson’s disease

Unadjusted GIDS-PD Constipation, Bowel Irritability and Upper GI domain scores increased across disease stage. GIDS-PD Gastrointestinal Dysfunction Scale for Parkinson’s disease, H&Y Hoehn and Yahr, RBD REM Sleep Behaviour disorder.