Purpose <p>To evaluate the prevalence of ONFH among the military draft-eligible male population in South Korea between 2013 and 2022.</p> Methods <p>A total of 3,166,669 individuals were examined at regional Military Manpower Administration offices for 10&#xa0;years. In a study using a retrospective analysis of prospectively collected data, the prevalence of ONFH per 100,000 individuals, along with the 95% confidence interval (CI), was measured among military draft-eligible Korean males. The Mann–Kendall trend test was performed to assess the correlation of the ONFH prevalence with several potentially related factors.</p> Results <p>The mean annual prevalence of ONFH was 13.04 (95% CI: 9.06–17.01), indicating a rare entity. The prevalence was nearly consistent (Tau = − 0.2; <i>p</i> = 0.484), with the highest in 2018 (21.54; 95% CI: 16.42–26.66) and the lowest in 2020 (10.99; 95% CI: 7.12–14.85). Unilateral ONFH had a higher proportion than bilateral ONFH. There was a significant correlation between the prevalence of ONFH and the rate of risk alcohol consumption (Tau = 0.644, <i>p</i> = 0.009).</p> Conclusion <p>The prevalence of ONFH in military draft-eligible males was low, with nearly consistent trends between 2013 and 2022. Unilateral ONFH was relatively high compared to bilateral cases, highlighting distinctive characteristics in the military draft-eligible male population.</p>

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National and regional trend over time in the prevalence of osteonecrosis of the femoral head among military draft-eligible males in South Korea: an analysis of a nationwide database from 2013 to 2022

  • Hong Jin Kim,
  • Pil Whan Yoon,
  • Jae Youn Yoon,
  • Hyun Woog Lee,
  • Sung Min Park,
  • Dong-Hoon Lee,
  • Jun-Ki Moon

摘要

Purpose

To evaluate the prevalence of ONFH among the military draft-eligible male population in South Korea between 2013 and 2022.

Methods

A total of 3,166,669 individuals were examined at regional Military Manpower Administration offices for 10 years. In a study using a retrospective analysis of prospectively collected data, the prevalence of ONFH per 100,000 individuals, along with the 95% confidence interval (CI), was measured among military draft-eligible Korean males. The Mann–Kendall trend test was performed to assess the correlation of the ONFH prevalence with several potentially related factors.

Results

The mean annual prevalence of ONFH was 13.04 (95% CI: 9.06–17.01), indicating a rare entity. The prevalence was nearly consistent (Tau = − 0.2; p = 0.484), with the highest in 2018 (21.54; 95% CI: 16.42–26.66) and the lowest in 2020 (10.99; 95% CI: 7.12–14.85). Unilateral ONFH had a higher proportion than bilateral ONFH. There was a significant correlation between the prevalence of ONFH and the rate of risk alcohol consumption (Tau = 0.644, p = 0.009).

Conclusion

The prevalence of ONFH in military draft-eligible males was low, with nearly consistent trends between 2013 and 2022. Unilateral ONFH was relatively high compared to bilateral cases, highlighting distinctive characteristics in the military draft-eligible male population.