Impact of Incident Cancer on Short-Term Coronary Artery Disease–Related Healthcare Expenditures Among Medicare Beneficiaries

Authors:
Ishveen Chopra Department of Pharmaceutical Systems and Policy, West Virginia University, and

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 PhD, MBA
,
Malcolm D. Mattes Department of Medical Education, WVU School of Medicine, Morgantown, West Virginia; and

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 MD
,
Patricia Findley School of Social Work, Rutgers University, New Brunswick, New Jersey.

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 DrPH, MSW, LCSW
,
Xi Tan Department of Pharmaceutical Systems and Policy, West Virginia University, and

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 PharmD, PhD
,
Nilanjana Dwibedi Department of Pharmaceutical Systems and Policy, West Virginia University, and

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 MBA, PhD
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Usha Sambamoorthi Department of Pharmaceutical Systems and Policy, West Virginia University, and

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 PhD
Volume/Issue:
Volume 17: Issue 2
Online Publication Date:
Feb 2019
DOI:
https://doi.org/10.6004/jnccn.2018.7078
Restricted access

Background: Healthcare spending for coronary artery disease (CAD)–related services is higher than for other chronic conditions. Diagnosis of incident cancer may impede management of CAD, thereby increasing the risk of CAD-related complications and associated healthcare expenditures. This study examined the relationship between incident cancer and CAD-related expenditures among elderly Medicare beneficiaries. Patients and Methods: A retrospective longitudinal study was conducted using the SEER-Medicare linked registries and a 5% noncancer random sample of Medicare beneficiaries. Elderly fee-for-service Medicare beneficiaries with preexisting CAD and with incident breast, colorectal, or prostate cancer (N=12,095) or no cancer (N=34,237) were included. CAD-related healthcare expenditures comprised Medicare payments for inpatient, home healthcare, and outpatient services. Expenditures were measured every 120 days during the 1-year preindex and 1-year postindex periods. Adjusted relationship between incident cancer and expenditures was analyzed using the generalized linear mixed models. Results: Overall, CAD-related mean healthcare expenditures in the preindex period accounted for approximately 32.6% to 39.5% of total expenditures among women and 41.5% to 46.8% among men. All incident cancer groups had significantly higher CAD-related expenditures compared with noncancer groups (P<.0001). Men and women with colorectal cancer (CRC) had 166% and 153% higher expenditures, respectively, compared with their noncancer counterparts. Furthermore, men and women with CRC had 57% and 55% higher expenditures compared with those with prostate or breast cancer, respectively. Conclusions: CAD-related expenditures were higher for elderly Medicare beneficiaries with incident cancer, specifically for those with CRC. This warrants the need for effective programs and policies to reduce CAD-related expenditures. Close monitoring of patients with a cancer diagnosis and preexisting CAD may prevent CAD-related events and expenditures.

Correspondence: Ishveen Chopra, PhD, Department of Pharmaceutical Systems and Policy, West Virginia University, Morgantown, WV. Email: ishveenkc@gmail.com

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Print ISSN:
1540-1405
Online ISSN:
1540-1413
Publisher:
National Comprehensive Cancer Network
Cover Journal of the National Comprehensive Cancer Network
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Copyright:
Copyright © 2019 by the National Comprehensive Cancer Network 2019
Page Numbers:
10
Article Category:
Research Article
Received:
01 Feb 2018
Accepted:
20 Aug 2018
Print Publication Date:
01 Feb 2019
Online Publication Date:
Feb 2019

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