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Table 2 Pearson correlations between total average number of Purdue Pegboard Test scores and other factors a

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

Data parameters

PD patients (n = 45)

Controls (n = 50)

 

Correlation coefficient (t)

P

Correlation coefficient (t)

P

Age (yr)

-0.127

0.405

-0.633

0.0001c

Sex (% male)

-0.196

0.845

-1.715

0.093

H&Y stage

-0.326

0.029b

NA

NA

UPDRS part III score

-0.620

0.0001c

NA

NA

UPDRS total score

-0.579

0.0001c

NA

NA

MMSE score

0.100

0.519

0.070

0.758

MoCA score

0.237

0.135

0.312

0.158

Course of disease

-0.229

0.160

NA

NA

  1. aH&Y, Hoehn and Yahr stage; MMSE, Mini Mental State Examination; MoCA, Montreal Cognitive Assessment; PD, Parkinson’s disease; UPDRS, Unified Parkinson’s Disease Rating Scale. bP < 0.05, cP < 0.01.