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. 2022 Dec 28;10(1):ofac691. doi: 10.1093/ofid/ofac691

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© The Author(s) 2022. Published by Oxford University Press on behalf of Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (https://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — (A) Incidence rate ratio (IRR) postintervention over preintervention. (B) Incidence rate difference (IRD) between postintervention and preintervention in person-years (p-y). (C) Incidence rate difference (IRD) between postintervention and preintervention in 1000 person-days. Abbreviations: CI, confidence interval; tpd, total person-days.