Research Article

On the Relationship between Speech Intelligibility and Fluency Indicators among English-Speaking Individuals with Parkinson’s Diseases

Table 1

The demographics of the PD participants included in the analysis.

NumberHoehn and Yahr’s disease StagebUPDRSa II-5b
(activities of daily living-speech)
UPDRSa III-18b
(motor examination-speech)

1.200
2.201
3.311
4.200
5.322
6.200
7.210
8.433
9.301
10.200
11411
12.312
13.211
14.311
15.322
16.200

(a): UPDRS stands for Unified Parkinson’s Disease Rating Scale. (b): The range of Hoehn and Yahr’s Disease Stage is 1-5; the range of UPDRS II-5 and UPDRS III-18 is 0-4.