Risk of Ischemic Stroke, Hemorrhagic Stroke, and All-Cause Mortality in Retinal Vein Occlusion: A Nationwide Population-Based Cohort Study

Table 2

Risk of the clinical outcomes in the RVO and comparison groups.

Clinical outcome	RVO group	Comparison group (PS-matched)	-value
	n = 22919	n = 114595
Stroke
Incidence density	494.7	361.6	<0.0001
HR	1.37 (1.33–1.41)	Reference	<0.0001
Ischemic stroke
Incidence density	430.6	317.0	<0.0001
HR	1.36 (1.32–1.40)	Reference	<0.0001
Hemorrhagic stroke
Incidence density	62.2	46.6	<0.0001
HR	1.34 (1.24–1.44)	Reference	<0.0001
All-cause mortality
Incidence density	233.7	226.6	0.11
HR	1.03 (0.99–1.07)	Reference	0.12

HR = hazard ratio; the unit of incidence density: per 10000 years.