Hea-kyoung Yang

  • Citations Per Year
Learn More
BACKGROUND There is still considerable disagreement regarding the role of vitamin D in the development or exacerbation of allergic diseases. OBJECTIVE To investigate the association between serum vitamin D levels and recent symptoms of allergic diseases in elementary schoolchildren. METHODS A nationwide cross-sectional survey was conducted in children(More)
BACKGROUND There have been controversies about the seasonality in aggravation of atopic eczema/dermatitis syndrome (AEDS) symptoms, although understanding the seasonal patterns of AEDS symptoms is an important step in preventing exacerbation through proactive management. OBJECTIVE The aim of this study was to evaluate whether there are seasonal variations(More)
PURPOSE This study aimed to determine the prevalence of immediate-type food allergy (FA) among schoolchildren in Korea. METHODS A nationwide, cross-sectional study was performed in September 2015. A stratified random sample of 50,000 participants was selected from children and adolescents aged 6-7 years (n=17,500), 9-10 years (n=17,500), 12-13 years(More)
Method: We analyzed data from the Korean National Health Insurance Service from 2009 to 2014. Data for the estimated populations were collected from the Statistics Korea. The annual prevalence of AD was obtained by dividing the number of patients by the estimated population each year. We analyzed the prevalence of AD in 2014 and evaluated the change in the(More)
BACKGROUND The prevalence of atopic dermatitis (AD) in children is increasing in many developing countries. OBJECTIVE This study aimed to explore trends in the prevalence of AD in Korean children. METHODS We analyzed data from the Korean National Health Insurance Service (NHIS) from 2009 to 2014. Data for the estimated populations were collected from(More)
  • 1