Effect of holiday admission for acute aortic dissection on in-hospital mortality in Japan: A nationwide study

Katsuhito Kato, Toshiaki Otsuka, Michikazu Nakai, Yoko Sumita, Yoshihiko Seino and Tomoyuki Kawada

PLOS ONE, 2021, vol. 16, issue 11, 1-11

Abstract: Background: Patients admitted on weekends have higher mortality than those admitted on weekdays. However, whether the “weekend effect” results in a higher mortality after admission for acute aortic dissection (AAD),—classified according to Stanford types—remains unclear. This study aimed to examine the association between admission day and in-hospital mortality in AAD Type A and B. Methods: We used data from the Japanese registry of all Cardiac and Vascular Diseases Diagnostic Procedure Combination, a nationwide claim-based database with data from 953 certified hospitals, and enrolled in-patients with AAD admitted between April 1, 2012, and March 31, 2016. Based on the admission day, we stratified patients into groups (Weekdays, Saturdays, and Sundays/holidays). The influence of the admission day on in-hospital mortality was assessed via multi-level logistic regression analysis. We also performed a Stanford type-based stratified analysis. Results: Among the included 25,641 patients, in-hospital mortality was 16.0%. The prevalence of patients admitted with AAD was relatively higher on weekdays. After adjustment for covariates, patients admitted on a Sunday/holiday showed an increased risk of in-hospital mortality (odds ratio [OR] 1.20; 95% confidence interval [CI] 1.07–1.33, p

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0260152

DOI: 10.1371/journal.pone.0260152

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