A systematic review of real-world healthcare resource use and costs of Clostridioides difficile infections

Author:

Malone Daniel C.,Armstrong Edward P.ORCID,Gratie Dan,Pham Sissi V.,Amin Alpesh

Abstract

Abstract Objective: To conduct a systematic review of published real-world evidence describing the cost and healthcare resource use for Clostridiodes difficile infection (CDI) in the United States. Methods: A systematic literature review was conducted searching for terms for CDI and healthcare costs. Titles of articles and abstracts were reviewed to identify those that met study criteria. Studies were evaluated to examine overall design and comparison groups in terms of healthcare resource use and cost for CDI. Results: In total, 28 articles met the inclusion criteria. Moreover, 20 studies evaluated primary CDI or did not specify, and 8 studies1–8 evaluated both primary CDI and recurrent (rCDI). Data from Medicare were used in 6 studies. Nearly all studies used a comparison group, either controls without CDI (N = 20) or comparison between primary CDI and rCDI (N = 7). Two studies examined costs of rCDI by the number of recurrences. Overall, the burden of CDI is significant, with higher aggregate costs for patients with rCDI. Compared with non-CDI controls, hospital length of stay increased in patients with both primary and rCDI compared to patients without CDI. Patients with primary CDI cost healthcare systems $24,000 more than patients without CDI. Additionally, 2 studies that evaluated the impact of recurrence among those patients with an index case of CDI demonstrated significantly higher direct all-cause medical costs among those with rCDI compared to those without. Conclusion: CDI, and particularly rCDI, is a costly condition with hospitalizations being the main cost driver.

Publisher

Cambridge University Press (CUP)

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