Weekend Effect in Acute Pancreatitis–Related Hospital Admissions in the United States: An Analysis of the Nationwide Inpatient Sample

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Abstract

Objective

This study aimed to assess the difference in overall outcomes between weekend admissions for acute pancreatitis (AP) and weekday admissions.

Methods

Between 2005 and 2012, data were extracted from the Nationwide Inpatient Sample on adult patients with AP. Exclusion criteria were applied for chronic pancreatitis and other pancreatic and biliary malignancies. In-hospital mortality, length of stay, hospitalization costs, comorbidities, complications, and intervention rates were compared between the weekend and weekday admissions.

Results

During the study period, there were a total of 432,303 weekday admissions and 147,435 weekend admissions for AP in the United States hospitals. Weekend AP admissions were more likely to develop alcohol withdrawal (5.9% vs 5.7%, P = 0.001) and ileus (4.1% vs 3.1%, P = 0.04). They were also more likely to develop acute respiratory distress syndrome (4.7% vs 4.4%, P < 0.001) and required more endotracheal intubation (3.9% vs 3.6%, P < 0.001). There was no significant in-hospital mortality difference between the weekend and weekday admissions on both univariate and multivariate analysis.

Conclusions

Weekend AP admissions develop more severe complications requiring intensive care. Despite this, there was no weekend effect for in-hospital mortality for AP-related admissions.

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