3158 Prevalence of Doctor Diagnosed Atopic Eczema, during 2003-2014 in KOREA ; Using Big Data of 48.1 Million South Korean Health-Care Records

Friday, 16 October 2015
Hall D1 Foyer (Floor 3) (Coex Convention Center)

Gwang-Cheon Jang, MD, PhD , Pediatrics, NHIS Ilsan Hospital, Ilsan, South Korea

Hyun-Hee Lee, MD, PhD , Pediatrics, Catholic Kwandong University College of Medicine, Incheon, South Korea

Chang-Jong Lee , Health Insurance Policy Research Institute, National Health Insurance Service, Seoul, South Korea

Huynsun Lim, PhD , Clinical Research Management Team, NHIS Ilsan Hospital, Ilsan, South Korea

Background:  The prevalence of atopic eczema has increased worldwide for past few decades. However, in some countries, it remains stable or even decreased. The aim of this study was to estimate the prevalence of atopic eczema in Korea.

Methods: To investigate the prevalence of atopic eczema (L20), we did analyze the nationwide database (National Health Insurance Corporation) which included the health-care records of 48.1 million individuals between January 1, 2003, and December 31, 2014.

Results: Prevalence of atopic eczema in Korea showing a decreased tendency; 2.42% (2003), 2.44% (2004), 2.40% (2005), 2.26% (2006), 2.27% (2007), 2.26% (2008), 2.15% (2009), 2.14% (2010), 2.05% (2011), 1.97% (2012), 1.96% (2013), and 1.89% (2014). Also, child groups decreased between 2003 and 2014 ; under 6 years old age group had decreased 14.20% to 10.74%, 7~12 years group 5.24% to 4.73%. However, adolescent and adult age groups were increased between 2003 and 2014: 13~19 years group 1.82% to 2.79%. 20~29 years group 1.25% to 1.58%, 30~39 years group 0.68% to 0.89%, 41~49 years group 0.48% to 0.63%, 50~59 years group 0.53% to 0.62%, 60~69 years group 0.60% to 0.76%, and over 70 years group 0.66% to 0.96%.

Conclusion: Prevalence of atopic eczema in Korea showing decreased tendency, however increased in adult age groups. Interestingly, under 6 years old age group had been showing abruptly decreased pattern after 2009 endemic influenza infecion. So, further study was needed.