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. 2020 Dec 18;224(4):684–694. doi: 10.1093/infdis/jiaa773

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© The Author(s) 2020. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.

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Figure 1. — Breakdown of study inclusion criteria for case and control patients along with study population sizes. The primary study analysis of hospital-onset Clostridioides difficile infection (CDI) (secondary CDI with >3 day length of stay) is highlighted by the dashed arrow, and the 2 secondary analyses (any secondary CDI cases and all CDI cases) are highlighted by the dotted arrows. The number of distinct enrollees in each group is also described; our primary analysis is restricted to 1 hospitalization per enrollee.