Joinpoint Regression About Injury Mortality and Hospitalization in Korea

Hyun Jin Park, Ui Jeong Kim, Won Kyung Lee, Bohyun Park, Yoonhee Shin, Seonhwa Lee, Eun Jeong Choi, Nam Eun Kim, Ju Ok Park, Hyesook Park

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Injury is a social problem that causes health and property losses, and it is important to identify the size and trend of injury for efficient prevention and management. Therefore, this study analyzes the trends in injury mortality and hospitalization rates from 2005 to 2019 in Korea. Methods: Using mortality data by Statistics Korea and Korea National Hospital Discharge In-depth injury survey by the Korea Disease Control and Prevention Agency (KDCA), age standardized rates were calculated for death and hospitalization to analyze trends and annual changes with the joinpoint regression model. In addition, annual changes in the hospitalization rate of the transport accident and fall injuries by age group were analyzed, which are the major causes of injuries. Results: From 2005 to 2019, the injury mortality rate has been on the decline, but the injury hospitalization rate has been on the rise. The annual rate of change varied depending on the injury mechanism, but the mortality rate tended to decrease or remain similar level, while the rate of hospitalization has steadily increased. In addition, by age group, injury mortality and hospitalization rates were high in the elderly. In particular, the hospitalization rate of senior citizens aged 65 or older was higher when comparing the hospitalization rate of those under the age of 15 and over 65 years old, which are vulnerable to transport accidents and falls. Pedestrian transport accidents tended to decrease under the age of 15, but remained similar for those aged 65 and older, and bicycle accidents tended to increase in both groups. In addition, hospitalization rates were higher in the fall, with both groups showing a statistically significant increase in hospitalization rates caused by falls. Conclusion: This study analyzed the trend of injury mortality and hospitalization and found that transport accidents and falls may vary depending on the means or age of the accident. Since injury is a big social problem that is a burden of disease, safety education and legal sanctions for injury prevention should be further improved in the future, especially by prioritizing vulnerable groups by age and detailed mechanisms of injury.

Original languageEnglish
Article numbere10
JournalJournal of Korean Medical Science
Volume37
Issue number3
DOIs
StatePublished - 2022

Keywords

  • Hospitalization
  • Injury Trend
  • Joinpoint Regression
  • Mortality

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