Journal of Ophthalmology / 2012 / Article / Tab 2 / Clinical Study
Incidence and Characteristics of Patients with Visual Impairment due to Macular Edema Secondary to Retinal Vein Occlusion in a Representative Canadian Cohort Table 2 Disease characteristics of patients with RVO.
Control cohort (
) Patients with RVO
out of 47,166 persons) Average age at diagnosis (years) n/a 57 Overweight (BMI = 25–29.9 kg/m2 ) [
] 3799 (5%) 17 (23%) Obesity (BMI ≥ 30 kg/m2 ) [
] 1522 (2%) 9 (13%) BMI, male (mean ± SD) 25 ± 13.9 28 ± 10 BMI, female (mean ± SD) 24 ± 14.1 29 ± 9 Family history, type 2 diabetes [
] 782 (1%) 2 (3%) Smoking [
] 3804 (5%) 13 (18%) Hypertension [
] 10650 (14%) 49 (68%) Systolic blood pressure (mean ± SD) 131 ± 15.4 143 ± 15 Diastolic blood pressure (mean ± SD) 77 ± 8.5 87 ± 10 Dyslipidemia [
] 7603 (10%) 11 (16%) History of impaired fasting glucose (IFG) [
] 0 (0%) 0 (0%) History of impaired glucose tolerance (IGT) [
] 780 (1%) 1 (1%) Glycosylated haemoglobin (HbA1C) (mean ± SD) 6.3 ± 0.3 7.6 ± 1.3 History of vascular Disease [
] 9129 (12%) 18 (25%) Acute coronary syndrome (ACS) [
] 4567 (6%) 5 (7%) Myocardial infarction (MI) [
] 799 (1%) 9 (12%) Stroke [
] 714 (1%) 4 (6%) Percutaneous coronary transluminal arthroplasty (PCTA) [
] 689 (1%) 1 (1%) Coronary artery bypass graft (CABG) [
] 701 (1%) 3 (3%) Peripheral arterial disease (PAD) [
] 215 (<1%) 2 (2%) Congestive heart failure (CHF) [
] 755 (1%) 0 (0%) History gestational diabetes (females) [
] 181 (<1%) 0 (0%) Chronic kidney disease [
] Stage 1 0 (0%) 3 (3%) Stage 2 0 (0%) 3 (3%) Stage 3 737 (1%) 2 (3%) Stage 4 2282 (3%) 4 (5%) Stage 5 (end-stage renal disease) 766 (1%) 1 (1%) Dialysis (<1%) 0 (0%) Microvascular complications (%) 5% 0%
