Assertion: rheumatoid arthritis | /r/HasProperty | confused
Facets:
value: often
type: TEMPORAL
value: with osteoarthritis
type: OTHER
Source sentences:
text: Rheumatoid arthritis is sometimes confused with a different type of inflammatory arthritis that affects the spine—ankylosing spondylitis (AS).
text: Rheumatoid arthritis, especially in seronegative patients is often confused with osteoarthritis, which is caused by joint wear and tear as opposed to an autoimmune disease.