Table 2

Baseline characteristics of BRVO and CRVO exposed

BRVO exposedCRVO exposed
(n=3683)(n=2846)
Sex
 Men1763 (47.9)1534 (53.9)
 Women1920 (52.1)1312 (46.1)
Age at index date (years)54.0 (45.8–61.8)56.9 (48.0–64.3)
Age at RVO diagnosis (years)71.1 (62.6–78.4)73.0 (64.1–80.5)
No of incident RVO diagnoses, mean no. per year
 1998–20103241
 2011–2018409289
Charlson Comorbidity Index score
 0 (low)3421 (92.9)2614 (91.8)
 1134 (3.6)108 (3.8)
 2108 (2.9)103 (3.6)
 >3 (high)20 (0.5)21 (0.7)
Comorbid conditions
 Arterial hypertension2438 (66.2)1867 (65.6)
 Dyslipidaemia1980 (53.8)1476 (51.9)
 Diabetes636 (17.3)500 (17.6)
 Smoking-related disorders280 (7.6)271 (9.5)
  • Data presented as median (25%–75% percentile) for continuous variables and count (%) for categorical variables.

  • BRVO, branch retinal vein occlusion; CRVO, central retinal vein occlusion.