Incidence and Characteristics of Patients with Visual Impairment due to Macular Edema Secondary to Retinal Vein Occlusion in a Representative Canadian Cohort

Table 1

RVO in patients across age, sex, and ethnic origin.

	Control cohort; (𝑁=76,077)	Patients with RVO; (𝑁=73 out of 47,166 persons >40 years)
Sex [𝑛(%)]
Male	37551 (49%)	35 (48%)
Female	38526 (51%)	38 (52%)
Average age at diagnosis (years)	n/a	57
Average age (years)	61	61
Age distribution [𝑛(%)]
Males <40	14455 (19%)	0%
Males 40–59	12933 (17%)	6 (8%)
Males 60–69	3083 (5%)	30 (41%)
Males 70+	6086 (8%)	37 (51%)
Females <40	14454 (19%)	2 (3%)
Females 40–59	11411 (15%)	31 (43%)
Females 60–69	3804 (5%)	23 (32%)
Females 70+	9129 (12%)	16 (22%)
Ethnicity [𝑛(%)]
Caucasian	59340 (78%)	58 (81%)
Aboriginal	6847 (9%)	8 (11%)
Hispanic	3043 (4%)	1 (2%)
South Asian	3055 (5%)	3 (4%)
Asian	1521 (2%)	1 (1%)
African descent	1506 (2%)	0 (0%)