Estimated Prevalence of Glaucoma in South Korea Using the National Claims Database

Table 2

Estimated prevalence (%) of glaucoma in Koreans over 40 years of age.

	2008	2009	2010	2011	2012	2013
OAG (95% CI)	0.46 (0.456–0.462)	0.48 (0.473–0.478)	0.50 (0.494–0.500)	0.57 (0.570–0.577)	0.61 (0.603–0.609)	0.65 (0.648–0.654)
ACG (95% CI)	0.093 (0.092–0.094)	0.095 (0.094–0.096)	0.100 (0.099–0.101)	0.095 (0.094–0.096)	0.090 (0.090–0.091)	0.090 (0.089–0.091)
Overall (95% CI)	0.80 (0.793–0.800)	0.83 (0.831–0.839)	0.88 (0.879–0.887)	0.98 (0.975–0.983)	1.01 (1.002–1.010)	1.06 (1.052–1.060)
Overall (male/female)	0.82/0.78	0.86/0.82	0.91/0.86	1.00/0.96	1.03/0.99	1.08/1.03
Proportion of OAG	57.6%	56.9%	56.3%	58.6%	60.2%	61.7%
Proportion of ACG	11.7%	11.4%	11.3%	9.7%	8.9%	8.6%
OAG/ACG ratio	4.94	5.00	5.00	6.04	6.75	7.21

Data obtained from the national claims database. OAG = open angle glaucoma, ACG = angle closure glaucoma, and CI = confidence interval.