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Title: The daily incidence of out-of-hospital cardiac arrest unexpectedly increases around New Year's Day in Japan
Authors: Takahashi, Kunihiko
Shimadzu, Hideyasu
Keywords: Cardiac arrest
Out-of-hospital
Time series
Temporal clustering
New Years Day
Issue Date: 2015
Publisher: © Elsevier Ireland Ltd.
Citation: TAKAHASHI, K. and SHIMADZU, H., 2015. The daily incidence of out-of-hospital cardiac arrest unexpectedly increases around New Year's Day in Japan. Resuscitation, 96, pp. 156 - 162.
Abstract: Background: Over 100,000 patients are diagnosed every year as out-of-hospital cardiac arrest (OHCA) cases in Japan and their number has continued to rise for the last decade, presenting a challenge for preventive public health research as well as emergency medical care. The purpose of this study was to identify whether there are any temporal patterns in daily OHCA presentations in Japan. Methods: Records of OHCA patients (n=701,651) transported by ambulance over the course of six years (1st January 2005 to 10th March 2011) in Japan were obtained from the All-Japan Utstein registry data of cardiopulmonary arrest patients. Time periods within which the incidence of OHCA significantly increased were identified by a temporal cluster detection test using scan statistics. The risk ratios of OHCA for the detected periods were calculated and adjusted according to a Poisson regression model accounting for effects of other factors. Results: The risk of OHCA significantly rises 1.3-1.6 times around New Year's Day in Japan. Conclusions: Our analysis revealed the increased daily incidence of OHCA around every New Year's Day in Japan.
Description: This paper was accepted for publication in the journal Resuscitation and the definitive published version is available at http://dx.doi.org/10.1016/j.resuscitation.2015.08.003
Sponsor: HS acknowledges the European Research Council (project BioTIME 250189).
Version: Accepted for publication
DOI: 10.1016/j.resuscitation.2015.08.003
URI: https://dspace.lboro.ac.uk/2134/20998
Publisher Link: http://dx.doi.org/10.1016/j.resuscitation.2015.08.003
ISSN: 0300-9572
Appears in Collections:Published Articles (Maths)

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