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. 2020 Mar 14;8:12. doi: 10.1186/s40635-020-0299-1

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© The Author(s). 2020

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. 3 — PromoFluor and pHrodo fluorescence. Neutrophil PromoFluor (a) and pHrodo (b) fluorescence in patients who developed an infection (red square) and patients who did not develop an infection (green circle) after 60 min of incubation with S. aureus bioparticles. Patients with infections were compared to patients without infections with generalized estimating equations. Data are presented as mean with the standard error of the mean. Gray areas represent healthy control values (95% confidence interval). MFI = mean fluorescence intensity. PF520 = PromoFluor 520 LSS. S. aureus = Staphylococcus aureus. Ns = non-significant. **p < 0.01