Adjustment for Multimorbidity in Estimations of the Burden of Diseases Using Korean NHIS Data

Yoonhee Shin, Eun Jeong Choi, Bomi Park, Hye Ah Lee, Eun Kyung Lee, Hyesook Park

Research output: Contribution to journalArticlepeer-review

Abstract

The current multimorbidity correction method in the Global Burden of Disease studies assumes the independent occurrence of diseases. Those studies use Monte-Carlo simulations to adjust for the presence of multiple disease conditions for all diseases. The present study investigated whether the above-mentioned assumption is reasonable based on the prevalence confirmed from actual data. This study compared multimorbidity-adjusted years of lived with disability (YLD) obtained by Monte-Carlo simulations and multimorbidity-adjusted YLD using multimorbidity prevalence derived from National Health Insurance Service data. The 5 most common diseases by sex and age groups were selected as diseases of interest. No significant differences were found between YLD estimations made using actual data and Monte-Carlo simulations, even though assumptions about the independent occurrence of diseases should be carefully applied. The prevalence was not well reflected according to disease characteristics in those under the age of 30, among whom there was a difference in YLD between the 2 methods. Therefore, when calculating the burden of diseases for Koreans over the age of 30, it is possible to calculate the YLD with correction for multimorbidity through Monte-Carlo simulation, but care should be taken with under-30s. It is useful to apply the efficiency and suitability of calibration for multiplicative methods using Monte-Carlo simulations in research on the domestic disease burden, especially in adults in their 30s and older. Further research should be carried out on multimorbidity correction methodology according to the characteristics of multiple diseases by sex and age.

Original languageEnglish
Pages (from-to)28-36
Number of pages9
JournalJournal of Preventive Medicine and Public Health
Volume55
Issue number1
DOIs
StatePublished - 1 Jan 2022

Bibliographical note

Publisher Copyright:
Copyright © 2022 The Korean Society for Preventive Medicine

Keywords

  • Burden of diseases
  • Korea
  • Multimorbidity

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