Other
Dysarthria in Adults
American Speech-Language-Hearing Association, American Speech-Language-Hearing Association, Practice Portal, n.d.
Read the originalRead on October 16, 2026
- What it is
- The clinical summary from the professional body for speech-language pathologists. It gives estimated prevalence of dysarthria in several conditions, drawn from named studies.
- How much weight it carries
- A professional association's clinical summary, citing the underlying studies by name. The ranges are wide because they pool studies with different methods, so read them as orders of magnitude, not exact rates.
Facts taken from this source
- The American Speech-Language-Hearing Association estimates that dysarthria affects 44 to 88 percent of people with Parkinson's disease.
“dysarthria affects approximately 44%–88% of individuals with Parkinson’s disease” (Prevalence section)
- The American Speech-Language-Hearing Association estimates that 22 to 58 percent of individuals with acute stroke have dysarthria.
“22%–58% of individuals with acute stroke” (Prevalence section)