Trends in the prevalence and incidence of ankylosing spondylitis in South Korea, 2010-2015 and estimated differences according to income status

Jin Sung Park, Jae-Young Hong, Ye Soo Park, Kyungdo Han, Seung-Woo Suh

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1 Citation (Scopus)

Abstract

The aim of this study is to determine the prevalence and incidence of ankylosing spondylitis (AS) in South Korea, 2010-2015. This study was conducted using the Health Insurance Review Agency (HIRA) database, which includes information on every patient diagnosed with AS. The incidence and prevalence of AS were evaluated by age, sex, and income status. The prevalence increased linearly by 7.7% annually, i.e., 31.62 in 2010 to 52.30 in 2015 (per 100,000 persons). During the study period, the incidence was 6.34 per 100,000 person-years. The prevalence peaked for both men and women in the age range 30-39 years. Incidence peaked for men in the age range 20-29 years, but peaked for women between ages 70 and 89. AS was 3.6 times more prevalent in men than in women, and the incidence in men was 2.1 times greater than in women. With respect to income status, the prevalence and incidence of AS were 3 times greater and 5 times greater, respectively, in medical aid recipients compared to individuals with other income levels. The trend of increasing AS prevalence and the observation that 14.3% of all patients newly diagnosed with AS are medical aid recipients have significant implications for healthcare planning.

Original languageEnglish
Article number7694
JournalScientific Reports
Volume8
Issue number1
DOIs
Publication statusPublished - 2018 Dec 1

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Republic of Korea
Ankylosing Spondylitis
Incidence
Health Insurance
Databases
Delivery of Health Care

ASJC Scopus subject areas

  • General

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Trends in the prevalence and incidence of ankylosing spondylitis in South Korea, 2010-2015 and estimated differences according to income status. / Park, Jin Sung; Hong, Jae-Young; Park, Ye Soo; Han, Kyungdo; Suh, Seung-Woo.

In: Scientific Reports, Vol. 8, No. 1, 7694, 01.12.2018.

Research output: Contribution to journalArticle

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abstract = "The aim of this study is to determine the prevalence and incidence of ankylosing spondylitis (AS) in South Korea, 2010-2015. This study was conducted using the Health Insurance Review Agency (HIRA) database, which includes information on every patient diagnosed with AS. The incidence and prevalence of AS were evaluated by age, sex, and income status. The prevalence increased linearly by 7.7{\%} annually, i.e., 31.62 in 2010 to 52.30 in 2015 (per 100,000 persons). During the study period, the incidence was 6.34 per 100,000 person-years. The prevalence peaked for both men and women in the age range 30-39 years. Incidence peaked for men in the age range 20-29 years, but peaked for women between ages 70 and 89. AS was 3.6 times more prevalent in men than in women, and the incidence in men was 2.1 times greater than in women. With respect to income status, the prevalence and incidence of AS were 3 times greater and 5 times greater, respectively, in medical aid recipients compared to individuals with other income levels. The trend of increasing AS prevalence and the observation that 14.3{\%} of all patients newly diagnosed with AS are medical aid recipients have significant implications for healthcare planning.",
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