Bo Youl Choi

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Acute pyelonephritis causes significant morbidity, tends to recur, and can be fatal; however, little is known regarding its epidemiology. In this paper, the authors describe the epidemiology of acute pyelonephritis in South Korea by using nationwide heath insurance claims data from 1997 to 1999. The National Health Insurance System of South Korea covers(More)
OBJECTIVES This study investigated the epidemiologic features of the confirmed cases of Middle East Respiratory Syndrome (MERS) in Pyeongtaek St. Mary's Hospital, where the outbreak first began, in order to identify lessons relevant for the prevention and control of future outbreaks. METHODS The patients' clinical symptoms and test results were collected(More)
Catechol-O-methyltransferase (COMT) inactivates circulating catechol hormones, catechol neurotransmitters, and xenobiotic catecholamines by methylating their catechol moieties. The COMT gene has been suggested as a candidate gene for schizophrenia through linkage analyses and molecular studies of velo-cardio-facial syndrome. A coding polymorphism of the(More)
RATIONALE Humidifier disinfectant lung injury is an acute lung disease attributed to recurrent inhalation of certain disinfectant aerosols emitted from room humidifiers. An outbreak of this toxic lung injury occurred in South Korea from 1995 until all humidifier disinfectant products were recalled from the consumer market by the government in 2011. (More)
Microalbuminuria is a marker of generalized endothelial dysfunction resulting from arterial stiffness or insulin resistance, and brachial-ankle pulse wave velocity (baPWV) is a good measure of arterial stiffness. We aimed to investigate whether elevated baPWV is independently associated with microalbuminuria. This study included 1,648 individuals aged over(More)
OBJECTIVES The disaster of the Sewol ferry that sank at sea off Korea's southern coast of the Yellow Sea on April 16, 2014 was a tragedy that brought grief and despair to the whole country. The aim of this study was to evaluate the mental health effects of this disaster on the community of Ansan, where most victims and survivors resided. METHODS The(More)
OBJECTIVES This study was performed to investigate the relationship between community residents' infection sensitivity and their levels of preventive behaviors during the 2015 Middle East Respiratory Syndrome (MERS) outbreak in Korea. METHODS Seven thousands two hundreds eighty one participants from nine areas in Gyeonggi-do including Pyeongtaek, the(More)
OBJECTIVES As of November 2011, the Korean government recalled and banned humidifier disinfectants (HDs) from the market, because four case-control studies and one retrospective epidemiological study proved the association between HDs and lung injury of unknown cause. The report reviewed the causal role of HDs in lung injury based on scientific evidences.(More)
The Korean Society of Epidemiology publishes a scholarly journal titled 'Korean Journal of Epidemiology', which announces and discusses the results of epidemiological studies from the past 30 yr. Since its first publication in 1979, the journal has contributed to the advancement of epidemiology as well as the prevention and control of disease, and the(More)