Table 2. Risk of Retinal Occlusive Diseases in Participants with Acute Coronary Syndrome Compared with Controls in the Established Cohort from the National Health Insurance Service Database of South Korea.

Retinal diseases	Control cohort		UA cohort		MI cohort		HR_UA (95% CI)*	HR_MI (95% CI)*
	N of events	IR* (95% CI)	N of events	IR* (95% CI)	N of events	IR* (95% CI)
RVOD	2059	283.67 (283.63–283.71)	2260	509.21 (509.14–509.28)	197	361.76 (361.60–361.92)	1.67 (1.56–1.79)	1.34 (1.15–1.56)
RAO	223	30.12 (30.11–30.13)	501	108.48 (108.45–108.51)	34	60.70 (60.64–60.76)	2.05 (1.69–2.50)	1.08 (0.66–1.78)
RVO	1450	198.44 (198.41–198.47)	2214	494.75 (494.68–494.82)	191	348.80 (348.64–348.96)	1.43 (1.31–1.56)	1.34 (1.11–1.63)

UA, unstable angina; MI, myocardial infarction; IR, incidence rate; CI, confidence interval; HR, hazard ratio; RVOD, retinal vascular occlusive disease; RAO, retinal artery occlusion; RVO, retinal vein occlusion.

^*Adjusted for age, sex, body mass index, income, mortality, smoking, alcohol consumption, total cholesterol, systolic blood pressure, fasting glucose, and history of atrial fibrillation.