Unlike many other forms of arthritis that are systemic illnesses, such as rheumatoid arthritis and systemic lupus, osteoarthritis does not affect other organs of the body.
Erinevalt paljudest teiste artriit, mis on süsteemne haigused, nagu reumatoidartriit ja süsteemne erütematoosne, osteoartriidi ei mõjuta muude elundite.