Demographic and clinical characteristics of the thrombolysis and control groups
| Characteristics | Group | p value | |
|---|---|---|---|
| Thrombolysis | Controls | ||
| *p, difference between subgroups by Mann–Whitney U test or Spearman’s rank correlation test. | |||
| CRAO, central retinal artery occlusion; NS, not significant. | |||
| No. of patients | 37 | 19 | |
| Mean (SD) age, years | 63.4 (14.6)(range 23 to 83) | 62.8 (13.0)(range 39 to 81) | NS |
| Sex | |||
| Male | 22 (59%) | 11 (58%) | NS |
| Female | 15 (41%) | 8 (42%) | |
| Diabetes | |||
| Yes | 2 (5%) | 1 (5%) | NS |
| No | 35 (95%) | 18 (95%) | |
| Smoking | |||
| Yes | 4 (11%) | 1 (4%) | NS |
| No | 33 (89%) | 18 (95%) | |
| Hypercholesterolemia | |||
| Yes | 7 (19%) | 3 (16%) | NS |
| No | 30 (81%) | 16 (84%) | |
| Hypertension | |||
| Yes | 12 (33%) | 7 (37%) | NS |
| No | 25 (67%) | 12 (63%) | |
| Visual acuity on admission | |||
| Mean | 0.006 | 0.008 | NS |
| <0.01 | 21 (57%) | 8 (42%) | |
| 0.01–0.05 | 16 (43%) | 11 (58%) | |
| >0.05 | 0 (0%) | 0 (0%) | |
| Time to treatment (minutes) | |||
| Median | 240 | 240 | NS |
| Mean (SD) | 240 (62) | 221 (53) | |
| Previous cerebrovascular or retinal event | |||
| Yes | 3 (8%) | 1 (5%) | NS |
| No | 34 (92%) | 18 (95%) | |
| Aetiology of CRAO | |||
| Carotid stenosis | 1 (3%) | 3 (16%) | NS |
| Cardioembolic | 9 (24%) | 4 (21%) | |
| Local thrombotic | 27 (73%) | 12 (63%) | |