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. 2020 Aug 26;17(17):6197.
doi: 10.3390/ijerph17176197.

Decreasing Incidence and Mortality in Traumatic Brain Injury in Korea, 2008-2017: A Population-Based Longitudinal Study

Han-Kyoul Kim  1   2 , Ja-Ho Leigh  1   3 , Ye Seol Lee  1   2 , Yoonjeong Choi  1   2 , Yoon Kim  4   5 , Jeong Eun Kim  6 , Won-Sang Cho  6 , Han Gil Seo  1   7 , Byung-Mo Oh  1   2   7   8   9
Affiliations

Decreasing Incidence and Mortality in Traumatic Brain Injury in Korea, 2008-2017: A Population-Based Longitudinal Study

Han-Kyoul Kim et al. Int J Environ Res Public Health. .

Abstract

Traumatic brain injury (TBI), a global public health concern, may lead to death and major disability. While various short-term, small-sample, and cross-sectional studies on TBI have been conducted in South Korea, there is a lack of clarity on the nationwide longitudinal TBI trends in the country. This retrospective study investigated the epidemiological TBI trends in South Korea, using a population-based dataset of the National Health Insurance (2008-2017). The crude and age adjusted TBI incidence and mortality values were calculated and stratified by age, sex, and TBI diagnosis. The age-adjusted incidence per 100,000 people increased until 2010 and showed a decreasing trend (475.8 cases in 2017) thereafter; however, a continuously decreasing age-adjusted mortality trend was observed (42.9 cases in 2008, 11.3 in 2017). The crude incidence rate increased continually in those aged >70 years across all the TBI diagnostic categories. The mortality per 100,000 people was significantly higher among participants aged ≥70 years than in the other age groups. We observed changing trends in the TBI incidence, with a continuously decreasing overall incidence and a rapidly increasing incidence and high mortality values in older adults. Our findings highlight the importance of active TBI prevention in elderly people.

Keywords: epidemiology; incidence; longitudinal study; mortality; traumatic brain injury.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Trends in traumatic brain injury in Korea (2008–2017).
Figure 2
Figure 2
Age-adjusted incidence and mortality values of traumatic brain injury (2008–2017).
Figure 3
Figure 3
Crude incidence rates (per 100,000) of traumatic brain injury, by age, from 2008 to 2017.
Figure 4
Figure 4
Crude incidence and age-adjusted incidence, by age group, stratified by traumatic brain injury diagnosis.
Figure 5
Figure 5
Crude mortality rates (per 100,000 individuals) by age group for the total Korean population (2008–2017).
See this image and copyright information in PMC

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