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. 2021 Feb 9;11:30. doi: 10.1186/s13613-021-00823-7

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Kaplan–Meier analysis of time from extubation to reintubation according to oxygenation strategy. Reintubation rates were significantly lower in patients treated with non-invasive ventilation (red bars) than in those treated with high-flow nasal oxygen alone (blue bars). The reintubation rate within the 7 days following extubation was 13% (11 out of 86 patients) with NIV and 27% (17 out of 64 patients) with high-flow nasal oxygen alone [difference, − 14% (95% CI − 27% to − 1%); p = 0.033 using log-rank test]