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. 2020 Dec 22;9(12):873–883. doi: 10.1302/2046-3758.912.BJR-2020-0473.R1

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© 2020 Author(s) et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (CC BY-NC-ND4.0) licence, which permits the copying and redistribution of the work only, and provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc-nd/4.0/

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Fig. 7 — Kaplan–Meier survival curves for patients with (n=68, red line) and without (n=1501, black line) perioperative coronavirus disease 2019 (COVID-19) perioperatively, using data from Clement et al.⁷ The grey, purple, and orange lines indicate hypothesized seven, 14, and 21 day delays in time of acquiring COVID-19, respectively. This graph shows the effect on the rate of 30- and 60-day mortality rates, with an approximate variation of 10% in cumulative survival rates.