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. Author manuscript; available in PMC: 2019 Aug 8.

Published in final edited form as: Neurodegener Dis. 2018 Aug 8;18(4):173–190. doi: 10.1159/000488780

Figure 1: — (a) Box-plot

(b) Correlation matrix

Box-plot and Correlation Matrix: The left panel shows box-plots of the observed quantiles of each outcome by disease category. The right panel shows Spearman’s correlation between the outcomes.

Abbreviations: PIGD, Posture Instability and Gait Difficulty; RBD, REM sleep behavior disorder; UPSIT, University of Pennsylvania Smell Identification Test; MOCA, Montreal Cognitive Assessment; HVLT, Hopkins Verbal Learning Test; GDS, Geriatric Depression Scale; SFT, Semantic Fluency Test; SCOPA, Scale for Outcomes in Parkinson’s; LINEORT, Line Orientation Test; UPDRS, Unified Parkinson Disease Rating Scale; STAI, State Trait Anxiety Index; PD, Parkinson Disease; HC, Healthy Control.

Figure 1: — (a) Box-plot

(b) Correlation matrix

Box-plot and Correlation Matrix: The left panel shows box-plots of the observed quantiles of each outcome by disease category. The right panel shows Spearman’s correlation between the outcomes.

Abbreviations: PIGD, Posture Instability and Gait Difficulty; RBD, REM sleep behavior disorder; UPSIT, University of Pennsylvania Smell Identification Test; MOCA, Montreal Cognitive Assessment; HVLT, Hopkins Verbal Learning Test; GDS, Geriatric Depression Scale; SFT, Semantic Fluency Test; SCOPA, Scale for Outcomes in Parkinson’s; LINEORT, Line Orientation Test; UPDRS, Unified Parkinson Disease Rating Scale; STAI, State Trait Anxiety Index; PD, Parkinson Disease; HC, Healthy Control.