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KMID : 1145920230280040100
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Journal of Mycology and Infection
2023 Volume.28 No. 4 p.100 ~ p.107
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Epidemiology of Scabies in Korea (2010~2021): An Updated Report
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Lee Yun-Ji
Lee Yoon-Sung
Kim Man-S
Lew Bark-Lynn
Kwon Soon-Hyo
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Abstract
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Background: Scabies is a neglected disease that significantly affects the daily lives of patients and their cohabitants.
Objective: To investigate the current epidemiological data regarding scabies in Korea.
Methods: This was a nationwide population-based observational study using data from the National Health Insurance claims database (reference period: 2010~2021). The primary outcome measure was the annual incidence of scabies. Subgroup analyses were performed disaggregated by sex, age, and region of residence.
Results: A total of 517,296 scabies cases were identified, with a male-to-female ratio of 0.83. The annual agestandardized incidence rates steadily decreased from 2010 (97.6 per 100,000 person-years [PY]) to 2021 (43.4 per 100,000 PY), with an average annual percent change of -5.0%. A steep decrease was observed in 2015 (-12.9%), 2020 (-12.7%), and 2021 (-22.8%). An aging trend in patients with scabies was observed, with patients aged ≥50 years accounting for 36.5% and 63.8% of patients in 2010 and 2021, respectively. The ≥80 years age group showed the highest age-specific incidence rate. Although all age groups showed a reduction in annual incidence, the extent of the reduction was relatively greater in patients aged <50 years. The number of patients with scabies was the highest in Gyeonggi, Seoul, and Busan, while the regional incidence rates were highest in Gwangju, Jeonbuk, Jeonnam, Daejeon, and Jeju.
Conclusion: During the last 12 years, there has been a gradual decrease in the overall prevalence of scabies.
However, the incidence remains relatively higher among the elderly population.
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KEYWORD
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Epidemiology, Incidence, National Health Insurance, Sarcoptes scabiei, Scabies
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