Skip to main content
. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: Laterality. 2021 Jul 5;27(1):57–70. doi: 10.1080/1357650X.2021.1946077

Table 1:

Participant Demographics and Clinical Characteristics

  RSO-PD LSO-PD Controls Significance

N 15 15 20
Age, mean (SD), years 66.9 (6.9) 69.9 (7.1) 66.0 (8.9) ns
Education, mean (SD), years 16.7 (2.8) 16.1 (2.6) 15.7 (2.6) ns
Sex Ratio (male:female) 9:6 10:5 12:8 ns
Race and Ethnicity ns
White 13 14 19
 Hispanic 0 1 0
 Black 2 0 1
Handedness (right:left) 13:2 12:3 18:2 ns
DRS-II total score, mean (SD) 140.7 (2.9)  137.4 (5.6) 140.4 (3.8)  ns
Symptom duration, mean (SD), years 7.8 (5.0) 7.3 (3.7) ns
UPDRS total motor, mean (SD), on medication 21.1 (7.6)  25.8  (9.9) ns
BDI-II, total score, mean (SD) 6.1 (3.8) 9.2 (7.8)  4.6 (5.5)  ns
AS, total score, mean (SD) 9.1 (4.8) 12.5 (6.7) 9.0 (4.1) ns

RSO-PD: Right-sided motor symptom onset; LSO-PD: Left-sided motor symptom onset; SD: Standard Deviation;DRS-II: Dementia Rating Scale-II;UPDRS:Unified Parkinson Disease Rating Scale (motor scale);BDI-II:Beck Depression Inventory-II; AS: Apathy Scale