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Table 5 Comparison of Unified Parkinson’s Disease Rating Scale motor scores between normal and abnormal stereopsis in Parkinson’s disease patients a

From: Stereopsis impairment is associated with decreased color perception and worse motor performance in Parkinson’s disease

Patient characteristics PDNS (n = 26) (mean ± SD) PDAS (n = 19) (mean ± SD) P-value
Speech 0.42 ± 0.64 0.84 ± 1.02 0.097
Facial expression 1.04 ± 0.77 1.42 ± 0.61 0.081
Tremor at rest 2.15 ± 2.84 4.05 ± 3.81 0.063
Action or postural tremor of hands 0.85 ± 0.88 1.32 ± 1.25 0.146
Rigidity 4.88 ± 2.85 7.47 ± 3.50 0.009b
Finger taps 1.46 ± 1.07 2.79 ± 1.48 0.001b
Hand movements 1.73 ± 1.04 2.42 ± 1.07 0.036c
Rapid alternating movements 1.38 ± 1.06 2.47 ± 1.50 0.007b
Leg agility 1.12 ± 1.31 2.21 ± 1.27 0.007b
Arising from chair 0.69 ± 1.49 0.58 ± 1.07 0.779
Posture 1.08 ± 0.56 1.11 ± 0.57 0.868
Gait 1.08 ± 0.65 0.95 ± 0.62 0.468
Posture stability 1.04 ± 1.22 0.84 ± 0.60 0.521
Body bradykinesia and hypokinesia 1.35 ± 0.80 1.63 ± 0.83 0.250
  1. aPDAS, Parkinson’s disease patients with abnormal stereopsis; PDNS, Parkinson’s disease patients with normal stereopsis. bP < 0.01; cP < 0.05.