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The Use of Electronic Medical Record Data to Analyze the Association Between Atrial Fibrillation and Birth Month.

作者信息

Matsuda Koji, Park Keunsik, Tatsumi Hiroaki, Kitada Ryoko, Yoshiyama Minoru

机构信息

Matsuda Eye Clinic, Sennan, Osaka, Japan.

Department of Medical Informatics, Osaka City University Hospital, Osaka, Osaka, Japan.

出版信息

Online J Public Health Inform. 2017 Dec 31;9(3):e199. doi: 10.5210/ojphi.v9i3.7864. eCollection 2017.

Abstract

OBJECTIVES

Cardiovascular disease is a condition of enormous public health concern. Recently, a population study newly revealed associations between cardiovascular diseases and birth month. Here, we investigated the association between atrial fibrillation in cardiovascular disease and birth month.

METHODS

We retrospectively extracted birth date data from 6,016 patients with atrial fibrillation (3,876 males; 2,140 females) from our electronic medical records. The number of live births in Japan fluctuates seasonally. Therefore, we corrected the number of patients for each birth month based on a Japanese population survey report. Then, a test of the significance of the association between atrial fibrillation and birth month was performed using a chi-square test. In addition, we compared the results of an analysis of patient data with that of simulated data that showed no association with birth month.

RESULTS

The deviations of birth month were not significant (overall: = 0.631, males: = 0.842, females: = 0.333). The number of female patients born in the first quarter of the year was slightly higher than those born in the other quarters of the year ( = 0.030). However, by comparing the magnitudes of dispersion in the simulated data, it seems that this finding was mere coincidence.

CONCLUSION

An association between atrial fibrillation and birth month could not be confirmed in our Japanese study. However, this might be due to differences in ethnicity. Further epidemiologic studies on this topic may result in reduction of disease risk in the general population and contribute to public health.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6a20/5790432/0ade1e6ea0f7/ojphi-09-e199-g001.jpg

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