J Korean Med Sci.  2019 Dec;34(48):e306. 10.3346/jkms.2019.34.e306.

Nationwide Incidence of Acute Angle Closure Glaucoma in Korea from 2011 to 2015

Affiliations
  • 1Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea. bjpark@snu.ac.kr
  • 2Department of Ophthalmology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.

Abstract

BACKGROUND
Despite the significant disease burden, there is a paucity of data addressing the population-based incidence of acute angle closure glaucoma (AACG). Therefore, we estimated the nationwide, population-based standardized incidence rate of AACG in Korea.
METHODS
We conducted a nationwide, population-based, retrospective study using the database of National Health Insurance (NHI) system, which includes the entire Korean population (approximately 50 million people) from 2009 to 2015. We identified patients with incident AACG during the 5-year study period from 2011 to 2015 based on their diagnosis and AACG-related treatments (laser iridotomy and cataract surgery), and estimated age- and gender-standardized incidence rate of AACG during the study period.
RESULTS
We identified 11,049 patients (8,022 women, 72.6%) with incident AACG during the 5-year study period. Of these, after excluding 6 patients under 20 years old, 11,043 patients (8,020 women, 72.6%) aged ≥ 20 years were included in the analysis. The average standardized incidence rate during the 5-year study period was 59.95 (95% confidence interval [CI], 58.87-61.03) per 1,000,000 person-years. The incidence rates increased sharply with age and peaked at individuals aged 75-79 years; in men, those peaked at the same age group, however, in women, those peaked at individuals aged 70-74 years. Women has a 2.56 folds higher incidence rate (85.84 [95% CI, 84.03-87.66] per 1,000,000 person-years) than men (33.48 [95% CI, 32.33-34.62] per 1,000,000 person-years).
CONCLUSION
The present study provides detailed estimates for AACG incidence according to all age groups and gender through the 5-year study period.

Keyword

Acute Angle Closure Glaucoma; Angle Closure Glaucoma; Incidence; National Health Insurance Database

MeSH Terms

Cataract
Diagnosis
Female
Glaucoma, Angle-Closure*
Humans
Incidence*
Korea*
Male
National Health Programs
Retrospective Studies
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