• Selina Bernet, Lara Gut, Ciril Baechli, Daniel Koch, Ulrich Wagner, Beat Mueller, Philipp Schuetz, and Alexander Kutz.
• Division of General and Emergency Medicine, University Department of Medicine, Kantonsspital Aarau, Aarau.
• Medicine (Baltimore). 2020 Jun 26; 99 (26): e20842.

AbstractSepsis is associated with impaired clinical outcomes. It requires timely diagnosis and urgent therapeutic management. Because staffing during after-hours is limited, we explored whether after-hour admissions are associated with worse clinical outcomes in patients with sepsis.In this retrospective cohort study, we analyzed nationwide acute care admissions for a main diagnosis of sepsis in Switzerland between 2006 and 2016 using prospective administrative data. The primary outcome was in-hospital mortality using multivariable logistic regression models. Secondary outcomes were intensive care unit (ICU) admission, intubation, and 30-day readmission.We included 86,597 hospitalizations for sepsis, 60.1% admitted during routine-hours, 16.8% on weekends and 23.1% during night shift. Compared to routine-hours, we found a higher odds ratio (OR) for in-hospital mortality in patients admitted on weekends (Adjusted OR 1.05, 95% confidence interval [95% CI] 1.01, 1.10, P = .041). Also, the OR for ICU admission (OR 1.14, 95% CI 1.10, 1.19, P < .001) and intubation (OR 1.18, 95% CI 1.12, 1.25 P < .001) was higher for weekends compared to routine-hours. Regarding 30-day readmission, evidence for an association could not be observed. Night shift admission, compared to routine-hours, was associated with a higher OR for ICU admission and intubation (ICU admission: OR 1.28 (1.23, 1.32), P < .001; intubation: OR 1.31, 95% CI 1.25, 1.37, P < .001) but with a lower OR for in-hospital mortality (OR 0.93, 19% CI 0.89, 0.97, P = .001).Among hospitalizations with a main diagnosis of sepsis, weekend admissions were associated with higher OR for in-hospital mortality, ICU admission, and intubation. Whether these findings can be explained by staffing-level differences needs to be addressed.

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