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Economic burden of brain metastases in non-small cell lung cancer patients in South Korea: A retrospective cohort study using nationwide claims data

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  • Yoon-Bo Shim
  • Joo-Young Byun
  • Ju-Yong Lee
  • Eui-Kyung Lee
  • Mi-Hai Park

Abstract

Brain metastases (BM) are common in patients with non-small cell lung cancer (NSCLC). However, the pure economic burden of BM is unknown. This study aimed to evaluate the impact of BM on healthcare costs and resource utilization in patients with NSCLC by comparing patients with and without BM. This was a retrospective cohort analysis of South Korean health insurance review and assessment claims data. Patients with stage IIIB or IV NSCLC were identified (March 1, 2013 to February 28, 2018). We compared their two-year and per-patient-per-month (PPPM) healthcare costs and resource utilization with 1:3 propensity score-matched patients without the condition. A generalized linear model was used to estimate the impact of BM and other covariates on healthcare costs. After propensity score matching with the 33 402 newly diagnosed cases of stage IIIB or IV NSCLC, 3435 and 10 305 patients were classified as having or not having BM, respectively. Mean healthcare costs were significantly greater in patients with BM for both the two years (US$ 44 692 vs. US$ 32 230, p

Suggested Citation

  • Yoon-Bo Shim & Joo-Young Byun & Ju-Yong Lee & Eui-Kyung Lee & Mi-Hai Park, 2022. "Economic burden of brain metastases in non-small cell lung cancer patients in South Korea: A retrospective cohort study using nationwide claims data," PLOS ONE, Public Library of Science, vol. 17(9), pages 1-12, September.
    • Handle: RePEc:plo:pone00:0274876
    DOI: 10.1371/journal.pone.0274876
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