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Matthias Unterberg, Tim Rahmel, Katharina Rump, Alexander Wolf, Helge Haberl, Alexander von Busch, Lars Bergmann, Thilo Bracht, Alexander Zarbock, Stefan Felix Ehrentraut, Christian Putensen, Frank Wappler, Thomas Köhler, Björn Ellger, Nina Babel, Ulrich Frey, Martin Eisenacher, Daniel Kleefisch, Katrin Marcus-Alic, Barbara Sitek, Michael Adamzik, Björn Koos, Hartmuth Sebastian Burkhard Nowak

• \(\bf Background:\) The COVID-19 pandemic has taken a toll on health care systems worldwide, which has led to increased mortality of different diseases like myocardial infarction. This is most likely due to three factors. First, an increased workload per nurse ratio, a factor associated with mortality. Second, patients presenting with COVID-19-like symptoms are isolated, which also decreases survival in cases of emergency. And third, patients hesitate to see a doctor or present themselves at a hospital. To assess if this is also true for sepsis patients, we asked whether non-COVID-19 sepsis patients had an increased 30-day mortality during the COVID-19 pandemic. \(\bf Methods:\) This is a post hoc analysis of the SepsisDataNet.NRW study, a multicentric, prospective study that includes septic patients fulfilling the SEPSIS-3 criteria. Within this study, we compared the 30-day mortality and disease severity of patients recruited pre-pandemic (recruited from March 2018 until February 2020) with non-COVID-19 septic patients recruited during the pandemic (recruited from March 2020 till December 2020). \(\bf Results:\) Comparing septic patients recruited before the pandemic to those recruited during the pandemic, we found an increased raw 30-day mortality in sepsis-patients recruited during the pandemic (33% vs. 52%, \(\it p\) = 0.004). We also found a significant difference in the severity of disease at recruitment (SOFA score pre-pandemic: 8 (5 - 11) vs. pandemic: 10 (8 - 13); \(\it p\) < 0.001). When adjusted for this, the 30-day mortality rates were not significantly different between the two groups (52% vs. 52% pre-pandemic and pandemic, \(\it p\) = 0.798). \(\bf Conclusions:\) This led us to believe that the higher mortality of non-COVID19 sepsis patients during the pandemic might be attributed to a more severe septic disease at the time of recruitment. We note that patients may experience a delayed admission, as indicated by elevated SOFA scores. This could explain the higher mortality during the pandemic and we found no evidence for a diminished quality of care for critically ill sepsis patients in German intensive care units.