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Original article
Demographic characteristics of labial adhesion in South Korea: a population-based study from 2010 to 2014
  1. In Ok Lee1,
  2. Hae Yong Pak2,
  3. Jae Eun Chung1
  1. 1 Department of Obstetrics and Gynecology, National Health Insurance Service Ilsan Hospital, Goyang, South Korea
  2. 2 Institute of Health Insurance and Clinical Research, National Health Insurance Service Ilsan Hospital, Goyang, South Korea
  1. Correspondence to Dr Jae Eun Chung; jiupark{at}naver.com

Abstract

Objective To investigate the demographic features of labial adhesion (LA) in South Korea.

Design A population-based nationwide study.

Setting Census population of South Korea.

Participants With the entire population of South Korea (n=47 990 761), patients under age 7 who were newly diagnosed with LA from January 2010 to December 2014 were included.

Main outcome measure The average incidence and the peak age of LA occurrence were estimated.

Results A total of 4934 newly diagnosed LAs were analysed. The incidence of LA has constantly increased since 2008, the year that the Korean Developmental Screening Test for InfantsandChildren registry began. The average incidence of LA was 55.0 cases/100 000 person-years (95% CI 53.5 to 56.6). The highest incidence was 183.6 cases/100 000 person-years (95% CI 175.8 to 191.6) in the age group of13 to 24 months. The relative risk of acquiring LA in the age group of 13 to 24 months was 1.481 (95% CI 1.381 to 1.587) compared with the age group of 0 to 12 months.

Conclusions The demographic characteristics of LA including the average incidence and the highest incidence age group in South Korea were revealed in this nationwide, population-based study including a total of 4934 newly developed LA cases. Further studies are needed to reveal the natural disease course and the significance of diagnosing asymptomatic LA cases.

  • epidemiology
  • evidence based medicine
  • paediatric practice
  • screening
  • statistics

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Footnotes

  • Contributors JEC and IOL contributed equally in the analysis of the data, manuscript preparation and revision. HYP provided the statistical support.

  • Funding This work was supported by a National Health Insurance Ilsan Hospital grant (NHIMC 2015-07-013-001).

  • Competing interests None declared.

  • Patient consent Not required.

  • Ethics approval The KNICD was accessed with the approval from the Institutional Review Board of the National Health Insurance Service Ilsan Hospital, South Korea (NHIS-2016-1-171).

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement All data concerning this study are included in this published article.

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