Table 1 Baseline clinical characteristics of patients with central retinal artery occlusion (CRAO) and patients with branch retinal artery occlusion (BRAO).
Variables | Total | CRAO versus BRAO | ||
|---|---|---|---|---|
RAO (n = 272) | CRAO (n = 190) | BRAO (n = 82) | P value | |
Age (year), mean ± SD | 64.7 ± 14.5 | 65.0 ± 14.0 | 64.0 ± 15.5 | 0.628 |
Male sex, n (%) | 169 (62%) | 114 (60%) | 55 (67%) | 0.270 |
Time from symptom onset to initial brain imaging (day) , mean ± SD | 4.3 ± 7.5 | 3.1 ± 6.0 | 6.9 ± 9.8 | < 0.001 |
Comorbidity | ||||
Hypertension, n (%) | 163 (60%) | 109 (57%) | 54 (66%) | 0.190 |
Diabetes mellitus, n (%) | 54 (20%) | 41 (22%) | 13 (16%) | 0.277 |
Dyslipidemia, n (%) | 79 (29%) | 56 (29%) | 23 (28%) | 0.812 |
Obesity, n (%) | 71 (26%) | 46 (24%) | 25 (30%) | 0.279 |
Smoking, n (%) | ||||
Current smoker | 43 (16%) | 32 (17%) | 11 (13%) | 0.431a |
Ex-smoker | 45 (17%) | 32 (17%) | 13 (16%) | |
Never | 184 (68%) | 126 (66%) | 58 (71%) | |
Coronary artery disease, n (%) | 40 (15%) | 35 (18%) | 5 (6%) | 0.008 |
Valvular heart disease or Atrial fibrillation, n (%) | 46 (17%) | 39 (21%) | 7 (9%) | 0.015 |
History of stroke or TIA, n (%) | 27 (10%) | 21 (11%) | 6 (7%) | 0.344 |
Etiologic subtypes | ||||
Large artery atherosclerosis | 126 (46%) | 88 (46%) | 38 (46%) | 0.997 |
Cardioembolism | 37 (14%) | 32 (17%) | 5 (6%) | 0.018 |
Other determined | 2 (1%) | 2 (1%) | 0 (0%) | 0.351 |
Undetermined | 107 (39%) | 68 (36%) | 39 (48%) | 0.068 |
Two or more | 4 (2%) | 2 (1%) | 2 (2%) | 0.383 |
Negative | 73 (27%) | 48 (25%) | 25 (30%) | 0.372 |
Incomplete | 30 (11%) | 18 (9%) | 12 (15%) | 0.212 |
