Assertion: ankylosing spondylitis | /r/CapableOf | affect 2 to 3 million americans
Facets:
value: with around 20,000 new diagnoses
type: OTHER
value: each year
type: TEMPORAL
Source sentences:
text: Ankylosing spondylitis is considered a common condition, affecting 2 to 3 million Americans with around 20,000 new diagnoses each year.