Population level predicted severity for female with mean age and median latent time of a healthy control. The legend is ordered by the age at which the predicted severity level for each outcome is 0.5 (sliced horizontally).
Abbreviations: PIGD, Posture Instability and Gait Difficulty; REM Sleep, Rapid Eye Movement Sleep behavior disorder; UPSIT, University of Pennsylvania Smell Identification Test; SCOPA, Scale for Outcomes in Parkinson’s; UPDRS, Unified Parkinson Disease Rating.