Table 1: Measures of motor function, speech intelligibility and cognitive performance.

Variables

Mean

SD

Range

Motor Function

 

 

 

UPDRS Score (max = 32)

12.89

6.99

3-32

Hoehn & Yahr Scale (max = 5)

2.67

0.77

1-4

Speech Intelligibility

 

 

 

SIT (%)

95.96

2.49

89.09-100

       Monologue (%)

93.59

4.78

81.33-100

Cognitive Function

 

 

 

MoCA (max 30)

24.70

4.18

16-30

Note: UPDRS: Unified Parkinson's Disease Rating Scale, higher score reflects more impairment; SIT: Sentence Intelligibility Test; MoCA: Montreal Cognitive Assessment, lower score reflects more impairment.