Emilie S Powell1, Rahul K Khare, D Mark Courtney, Joe Feinglass. 1. Department of Emergency Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois; Institute for Healthcare Studies and Division of General Internal Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois.
Abstract
BACKGROUND: Mortality differences in weekend and weekday admissions have been observed for a variety of conditions that require aggressive early intervention. It is unknown if there is a mortality difference that exists for patients presenting to the Emergency Department (ED) with sepsis on the weekend. STUDY OBJECTIVES: We hypothesized that there is an increase in early inpatient mortality (death on day 1 or day 2 of hospitalization) among patients with sepsis who present to the ED on the weekend vs. weekdays. METHODS: We performed a cross-sectional analysis of 114,611 ED admissions with a principal diagnosis consistent with sepsis from 576 hospitals in the 2008 Nationwide Inpatient Sample. Adjusted analyses controlled for patient and hospital characteristics, and examined the likelihood of either early (day 1 or day 2 of hospitalization) or overall inpatient mortality. RESULTS: A greater proportion of patients admitted on the weekend died on day 1 and day 2 of hospitalization (5.4% vs. 4.0%, p < 0.001; and 7.5% vs. 6.9%, p = 0.001), the difference for overall inpatient mortality was not significant (17.9% vs. 17.5%, p = 0.08). The risk-adjusted odds ratio (OR) of day 1 and day 2 early inpatient mortality of weekend vs. weekday admissions was 1.10 (95% confidence interval [CI] 1.04-1.17) and 1.08 (95% CI 1.03-1.14), respectively; the association with overall inpatient mortality was not significant (OR 1.03, 95% CI 1.00-1.07). CONCLUSIONS: Patients admitted through the ED with sepsis on the weekend had a greater likelihood of early mortality, but not overall mortality, when compared to patients admitted on weekdays.
BACKGROUND: Mortality differences in weekend and weekday admissions have been observed for a variety of conditions that require aggressive early intervention. It is unknown if there is a mortality difference that exists for patients presenting to the Emergency Department (ED) with sepsis on the weekend. STUDY OBJECTIVES: We hypothesized that there is an increase in early inpatient mortality (death on day 1 or day 2 of hospitalization) among patients with sepsis who present to the ED on the weekend vs. weekdays. METHODS: We performed a cross-sectional analysis of 114,611 ED admissions with a principal diagnosis consistent with sepsis from 576 hospitals in the 2008 Nationwide Inpatient Sample. Adjusted analyses controlled for patient and hospital characteristics, and examined the likelihood of either early (day 1 or day 2 of hospitalization) or overall inpatient mortality. RESULTS: A greater proportion of patients admitted on the weekend died on day 1 and day 2 of hospitalization (5.4% vs. 4.0%, p < 0.001; and 7.5% vs. 6.9%, p = 0.001), the difference for overall inpatient mortality was not significant (17.9% vs. 17.5%, p = 0.08). The risk-adjusted odds ratio (OR) of day 1 and day 2 early inpatient mortality of weekend vs. weekday admissions was 1.10 (95% confidence interval [CI] 1.04-1.17) and 1.08 (95% CI 1.03-1.14), respectively; the association with overall inpatient mortality was not significant (OR 1.03, 95% CI 1.00-1.07). CONCLUSIONS:Patients admitted through the ED with sepsis on the weekend had a greater likelihood of early mortality, but not overall mortality, when compared to patients admitted on weekdays.
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