Incidence Trends of Rheumatoid Arthritis in Korea for 11 Years (2006-2017).

The incidence of elderly onset RA (EORA) in individuals aged >60 years exhibited a decreasing trend during the study period (age 60–69, −6.45, 95% CI = −8.27 to −4.62, p < 0.001; age ≥70, −6.09, 95% CI = −7.66 to −4.53, p < 0.001).

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Supporting this notion, data from the Health Insurance Review and Assessment Service in Korea showed an increasing trend in newly diagnosed PMR cases between 2008 and 2012, with incidence rates increasing with age [ 34 ].

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