Assertion: ankylosing spondylitis | /r/HasSubevent | disability
Facets:
Source sentences:
text: In some cases, ankylosing spondylitis can be debilitating and lead to disability, according to the SAA.
text: Ankylosing spondylitis tends to occur in patients under the age of 45 years, has a higher incidence in males, and can lead to disability and reduced quality of life if not adequately treated.