Table 1.
Characteristics of Eyes included in the Study
| Eyes (patients) | 318 (213) |
| Age at enrollment, years, mean (SD) | 70.6 (5.4) |
| Eyes with GA at enrollment, n (%) | 90 (28.3) |
| Duration between enrollment and first gradable GA, years, mean (SD) | 3.5 (2.5) |
| Follow-up duration of gradable GA, years, mean (SD) | 5.1 (3.0) |
| Baseline GA area, mm2, mean (SD) | 5.2 (7.2) |
| Baseline GA perimeter, mm, mean (SD) | 10.8 (9.9) |
| Baseline circularity index, mean (SD) | 0.62 (0.30) |
| Baseline unifocal GA lesion in the eye, n (%) | 211 (66.4) |
| Baseline number of lesions, mean (SD) | 1.8 (1.7) |
| GA in the fellow eye at any visit, n (%) | 280 (88.1) |
| GA area growth rate, mm2 /year, mean (SD) | 1.46 (1.37) |
| GA perimeter-adjusted growth rate, mm/year, mean (SD) | 0.098 (0.062) |
GA = geographic atrophy; SD = standard deviation.