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

Table 3

Model summary of the multiple regression.

No.	Model	R	R^2	Adjusted R^2	R^2 change
1.	Severity level	.628	.395	.352	.395	.009
2.	Severity level & seven fluency indicators	.967	.935	.860	.540	.006