• Moran Ki, Hwa Young Choi, Minji Han, and Jin-Kyoung Oh.
• Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea. Electronic address: moranki@ncc.re.kr.
• Vaccine. 2018 Jul 25; 36 (31): 4633-4640.

BackgroundThis prevalence-based, cost-of-illness study estimated the health care costs of human papillomavirus (HPV) infection-associated diseases in the era before the introduction of organized HPV vaccination for 12-year-old girls in 2016, South Korea.MethodsThe claims data provided by the National Health Insurance Service was used to estimate the prevalence of HPV-associated diseases and their direct medical costs, including costs related to hospitalizations, outpatient visits, and medications.ResultsA total of 1.3 million men and women used medical services for HPV-attributed diseases between 2002 and 2015. Among women, the most common diseases attributable to HPV were cervical dysplasia (64.4%), anogenital warts (12.9%), cervical carcinoma in situ (10.7%) and cervical cancer (2.6%), whereas anogenital warts (80.6%), benign neoplasms of larynx (14.3%), and anal cancers (8.9%) were most common among men. In 2015, the healthcare cost attributable to HPV was 124.9 million US dollars (USD) representing 69.0% of the annual cost of all HPV-associated diseases. At a cost of 75.1 million USD, cervical cancer contributed the largest economic burden in 2015 followed by cervical dysplasia (19.4 million USD) and cervical carcinoma in situ (10.7 million USD). These three conditions represented 58.2% of the total annual cost of all HPV-associated diseases, while 84.2% of the total annual cost was attributable to HPV. Annual health care costs increased from 42.6 million USD in 2002 to 180.9 million USD in 2015.ConclusionThe healthcare costs associated with HPV-related diseases in Korea are substantial and increased between 2002 and 2015 mainly caused by increased number of patients. Expanding the target age for HPV vaccination of girls and introducing HPV vaccination for boys are possible ways of reducing the economic burden of HPV-associated disease and should be considered.Copyright © 2018 Elsevier Ltd. All rights reserved.

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