Assessing the effects of National Health Insurance reimbursement policy revisions for anti-osteoporotic drugs in Korean women aged 50 or older

Ja Seo Koo, Seong Hwan Moon, Hankil Lee, Sohee Park, Yun Mi Yu and Hye-Young Kang

PLOS ONE, 2020, vol. 15, issue 12, 1-12

Abstract: Introduction: The Korean National Health Insurance revised its reimbursement criteria to expand coverage for anti-osteoporotic drug treatments in 2011 (expanding diagnostic criteria and the coverage period for anti-osteoporotic therapy) and 2015 (including osteoporotic fracture patients regardless of bone mineral density). We examined whether the two revisions contributed to an increase in the prescription rates of anti-osteoporotic drugs in Korea. Methods: We used the Health Insurance Review and Assessment Service-National Patient Sample data from 2010 through 2016. A segmented regression analysis of interrupted time series was performed to assess changes in the monthly prescription rates of anti-osteoporotic drugs among women aged 50 or older, defined as the proportion of elderly women prescribed with anti-osteoporotic drugs. Results: Both the levels (i.e., abrupt jump or drop) and the trends (i.e., slope) of the prescription rates of anti-osteoporotic drugs in the general population, osteoporotic patients, and osteoporotic fracture patients showed no significant changes after the first revision. However, there was a significant increase in the trends in the general population (β = 0.0166, p = 0.0173) and in osteoporotic patients (β = 0.1128, p = 0.0157) after the second revision. Women aged 65 to 79 years were the most significantly increased group in terms of the treatment proportion after the second revision because the trend was significant after the second revision in all three study populations (β = 0.0300, 0.1212, 0.1392, respectively; p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0244759

DOI: 10.1371/journal.pone.0244759

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