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- Laura C Chambers, Anthony Park, Mark Cole, Leah Lovgren, Tamsin Zandstra, Francesca L Beaudoin, and Matthew Collins.
- Brown University Department of Epidemiology, Box G-S121-2, 121 S Main St, Providence, RI 02903. Email: laura_chambers@brown.edu.
- Am J Manag Care. 2023 Nov 1; 29 (11): 566572566-572.
ObjectivesTo estimate excess health care costs in the 12 months following COVID-19 diagnosis.Study DesignRetrospective cohort study using Blue Cross Blue Shield of Rhode Island claims incurred from January 1, 2019, to March 31, 2022, among commercial and Medicare Advantage members.MethodsDifference-in-differences analyses were used to compare changes in health care spend between the 12 months before (baseline period) and the 12 months after (post period) COVID-19 diagnosis for COVID-19 cases and contemporaneous matched controls without COVID-19.ResultsOverall, there were 7224 commercial and 1630 Medicare Advantage members with a COVID-19 diagnosis on/before March 31, 2021, each with a matched control, yielding a sample of 14,448 commercial and 3260 Medicare Advantage members. Among commercial members, 51.9% were aged 25 to 54 years and 54.0% were female. Among Medicare Advantage members, 94.2% were 65 years or older and 62.0% were female. Among commercial members, from the baseline period to the post period, total health care spend increased $41.61 (7.7%) per member per month (PMPM) more among COVID-19 cases compared with their matched controls. Among Medicare Advantage members, the difference-in-differences was greater, with spend increasing $97.30 (13.1%) PMPM more among cases compared with controls. The difference-in-differences was greatest for outpatient and professional services (both populations) and prescription services (Medicare Advantage only).ConclusionsCOVID-19 diagnosis was associated with excess health care spend PMPM over the subsequent 12 months, highlighting the importance of societal preparations to support individuals' long-term health care needs following COVID-19 and as a part of future pandemic preparedness.
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