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목적 : This study aimed at defining the incidence and demographics of clinically diagnosed RVO in Korea.
방법 : Design and Setting: This was a nationwide population-based retrospective study of clinically diagnosed RVO. We analyzed data that was entered into a national health claim database from 2007 to 2011.
Participants: Data of the entire population of Korea (N = 47,990,761, based on the 2010 census) were analyzed.
결과 : A total of 92,730 RVO cases (56.4% in women) were identified. The incidence rate of clinically diagnosed RVO during the study period was 48.31 per 100,000 person-years [95% confidence interval (CI), 48.00-48.62]. The incidence rate amongst men and women was 42.40 (95% CI, 41.99-42.81) and 54.14 (95% CI, 53.67-54.60) per 100,000 person-years, respectively. The incidence rate of RVO increased as the age of the population increased—more than doubling approximately every 10 years from the second to the seventh decade of life.
결론 : This study reports the population-based RVO incidence in Korea. The RVO incidence increased exponentially as the age of the population increased, and the RVO incidence in women was 1.28 times higher than that in men. To our knowledge, this is the first nationwide epidemiologic study of RVO in Korean individuals of all ages.
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