Factors affecting the postoperative recovery in visual field deficits
| Variable | VF returned to normal | VF improved |
|---|---|---|
| Values are mean (SEM) or n (%). The recovery in VF deficits was classified as improved (n = 49 eyes) or returned to normal (n = 29 eyes). | ||
| *p<0.05 v VF returned to normal; unpaired Student’s t test or Mann–Whitney U test. | ||
| VF, visual fields. | ||
| n (%) | 29 (36%) | 49 (60%) |
| Age (years) | 54.1(3.0) | 55.8 (2.0) |
| Duration of symptoms preoperatively (weeks) | 17 (5) | 137 (56)* |
| Preoperative visual acuity (median) | 6/6 | 6/9* |
| Presence of optic atrophy (%) | 7 (24%) | 15 (31%) |
| Macroscopic clearance of tumour (%) | 16 (55%) | 29 (59%) |
| Postoperative radiotherapy (%) | 8 (28%) | 21 (43%) |