Table 3. Risk of Retinal Vascular Occlusive Disease in Patients with Acute Coronary Syndrome Compared with Controls, Stratified by Age Group and Sex, in the Established Cohort from the National Health Insurance Service Database of South Korea.

Strata		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 according to age group (yr)
	Age <65	959	254.38 (254.33–354.43)	936	390.64 (390.56–390.72)	92	261.74 (261.57–261.91)	1.45 (1.31–1.60)	1.07 (0.86–1.34)
	Age ≥65	1100	315.32 (315.26–315.38)	1324	648.34 (648.23–648.45)	105	543.87 (543.54–544.20)	1.79 (1.63–1.96)	1.53 (1.24–1.89)
RVOD according to sex
	Male	1350	265.88 (265.84–265.92)	1481	476.10 (476.02–476.18)	159	354.83 (354.66–355.00)	1.65 (1.51–1.79)	1.40 (1.18–1.66)
	Female	709	325.09 (325.01–325.17)	779	586.81 (586.68–586.94)	38	393.98 (393.58–394.38)	1.65 (1.47–1.85)	1.16 (0.83–1.64)

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

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