Table 2.
Comparison of participant characteristics by geographic atrophy status in the study eyea
| Participant Characteristic | Never developed GA N=33 N (%) |
Developed new GA N=7 N (%) |
GA present at baseline N=22 N (%) |
|---|---|---|---|
| Age at enrollment | |||
| 50–69 | 6 (18.2) | 0 | 3 (13.6) |
| 70–79 | 16 (48.5) | 1 (14.3) | 5 (22.7) |
| 80–89 | 10 (30.3) | 5 (71.4) | 13 (59.1) |
| ≥90 | 1 (3.0) | 1 (14.3) | 1 (4.6) |
| Sex | |||
| Female | 18 (54.5) | 6 (85.7) | 15 (68.2) |
| Male | 15 (45.5) | 1 (14.3) | 7 (31.8) |
| Race | |||
| White | 31 (94.0) | 7 (100) | 19 (86.5) |
| Black | 0 | 0 | 1 (4.5) |
| Other | 1 (3.0) | 0 | 1 (4.5) |
| Unknown | 1 (3.0) | 0 | 1 (4.5) |
| Hypertension | |||
| Absent | 11 (33.3) | 1 (14.3) | 10 (45.5) |
| Present | 22 (66.7) | 6 (85.7) | 12 (54.5) |
| Length of enrollment (months) | |||
| 12–23 | 5 (15.2) | 0 | 2 (9.1) |
| 24–35 | 10 (30.3) | 2 (28.6) | 7 (31.8) |
| 36–47 | 10 (30.3) | 1 (14.3) | 1 (4.5) |
| 48–59 | 7 (21.2) | 4 (57.1) | 10 (45.5) |
| 60 | 1 (3.0) | 0 | 2 (9.1) |
| GA status in fellow eye | |||
| Present | 1 (3.0) | 1 (14.3) | 9 (40.9) |
| Absent | 21 (63.7) | 4 (57.1) | 4 (18.2) |
| Disciform | 7 (21.2) | 1 (14.3) | 7 (31.8) |
| Prosthesis | 1 (3.0) | 0 | 0 |
| Indeterminate | 3 (9.1) | 1 (14.3) | 2 (9.1) |
GA: geographic atrophy
a
63 study eyes included in this analysis due to exclusion of 6 eyes for ungradeable baseline photos