期刊
INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE
卷 17, 期 -, 页码 593-608出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/COPD.S350248
关键词
chronic obstructive pulmonary disease; exacerbations; medicare; maintenance therapy; costs
资金
- AstraZeneca
Moderate and/or severe COPD exacerbations have a significant impact on future exacerbations and healthcare costs. Patients with multiple exacerbations are more likely to experience future exacerbations and incur higher costs.
Purpose: To quantify the effects of moderate and/or severe chronic obstructive pulmonary disease (COPD) exacerbations on future exacerbations and healthcare costs in Medicare Fee-For-Service beneficiaries. Patients and Methods: A retrospective cohort study of patients >40 years of age, with continuous enrollment from 2015 to 2018, with an index COPD diagnosis defined as first hospitalization, emergency department visit, or first of two outpatient visits (>30 days apart) in 2015 with a claim for chronic bronchitis, emphysema, or chronic airway obstruction. Patients were stratified by baseline exacerbation categories in year one (YR1) and subsequently evaluated in YR2 and YR3: (A) none; (B) 1 moderate; (C) >2 moderate; (D) 1 severe; and (E) >2, one being severe. Moderate exacerbations were defined as COPD-related outpatient/ED visits with a corticosteroid/antibiotic claim within +/- 7 days of the visit and severe exacerbations as hospitalizations with a primary COPD diagnosis. Total all-cause costs for Categories B-E were compared to reference Category A using generalized linear models and inflation adjusted to 2019 dollars. Results: A total of 1,492,108 patients met study criteria with a mean (+/- SD) age of 70.9 +/- 10.9. In YR1, nearly 40% of patients experienced >1 moderate and/or severe exacerbations. Patients having multiple exacerbations, regardless of severity were 2-4 times more likely to experience an exacerbation during YR2 and YR3. Adjusted costs ranged between $24,000 and $26,600 for all categories for YR2 and YR3. Adjusted YR2 costs for Category D and E were $1421 and $1548 higher than those without an exacerbation (Category A YR2 $25,084, YR3 $24,282; p<0.0001). The respective YR3 adjusted costs were $2062 and $2117 higher than those without an exacerbation (Category A; p<0.0001), representing an increase of 6-8% and 8-9% for YR2 and YR3. Conclusion: Medicare patients with recent moderate or severe exacerbations, or at least two exacerbations per year are at significant risk for future exacerbations and incur higher all-cause costs.
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