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Table 1 Demographic, cognitive, and language comparisons for PD and control subjects

From: Lexical diversity in Parkinson’s disease

 

PD subjects

Controls

 

Variable

M

SD

M

SD

p

Age

71.8

13.2

72.6

13.5

.89

Education

12.0

1.3

12.8

2.8

.36

Parkinson years

3.6

4.6

   

H & Y stage

2.4

.5

   

BNT

52.8

6.7

51.8

8.4

.75

MMSE

28.6

1.4

28.8

1.7

.80

WMS-LMI

27.5

11.5

30.6

14.4

.57

  1. Values are means ± S.D. p values are derived from comparisons of PD subjects to normal controls. Parkinson Years = the number of years since PD subjects were initially diagnosed with PD. H & Y = Hoehn and Yahr; BNT = Boston Naming Test, all items administered; MMSE = Mini Mental Status Exam; WMS-LMI = Wechsler Memory Scale – Logical Memory I subtest.