Journal of Rheumatic Diseases

Table. 1.

Epidemiologic studies of the prevalence of patients with RA in Korea

Study Prevalence (%) Female/Male ratio Study period (yr) Diagnostic criteria Number of study population Age of
study population
Hur et al. 2008 [5] 1.85%
(95% CI 1.66∼2.04)
2.7 2005 Questionnaire 33,805 ≥19
Park et al. 2003 [6] 1.40%
(95% CI 0.68∼2.17)
13.5 2000 ACR 1987 revised criteria 983 Mean age
49.9±14.0
Won et al. 2018 [7] 0.32% 3.6 2009∼2012 Operational definition All beneficiaries 19∼99
Sung et al. 2013 [8] 0.27%
(95% CI 0.26∼0.28)
3.7 2007∼2009 Operational definition All beneficiaries ≥16
Kwon et al.2012 [9] 1.45%
(95% CI 1.27∼1.64)
3.7 2007∼2009 Questionnaires 17,311 ≥19
Kim et al.2020 [10] 0.19%
(95% CI 0.188∼0.189)
4.3 2012∼2016 Operational definition (seropositive only) All beneficiaries 19∼99
Jeong et al.2017 [11] 1.50% 3.3 2010∼2012 Questionnaires 17,887 ≥19

RA: rheumatoid arthritis, CI: confidence interval, ACR: American college for rheumatology.

J Rheum Dis 2021;28:60~67 https://doi.org/10.4078/jrd.2021.28.2.60
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