Table 1. Characteristics of Patients With Neovascular Age-Related Macular Degeneration Who Received Intravitreal Anti–Vascular Endothelial Growth Factor Injections by Follow-up Status.
| Variable | Follow-up Status, No. (%) | P Valuea | |
|---|---|---|---|
| Not Lost to Follow-up (n = 7004) | Lost to Follow-up (n = 2003) | ||
| Age, y | |||
| ≤80 | 3104 (44.3) | 583 (29.1) | <.001 |
| 81-85 | 1713 (24.5) | 458 (22.9) | |
| 86-90 | 1475 (21.1) | 567 (28.3) | |
| >90 | 712 (10.2) | 395 (19.7) | |
| Sex | |||
| Male | 2411 (34.4) | 679 (33.9) | .66 |
| Female | 4593 (65.6) | 1324 (66.1) | |
| Race/ethnicity | |||
| White | 6299 (89.9) | 1606 (80.2) | <.001 |
| African American | 104 (1.5) | 39 (1.9) | |
| Asian | 67 (1.0) | 34 (1.7) | |
| Otherb | 15 (0.2) | 11 (0.5) | |
| Unreported | 519 (7.4) | 313 (15.6) | |
| Regional average AGI, $ | |||
| >100 000 | 1610 (23.0) | 362 (18.1) | <.001 |
| 76 000-100 000 | 1418 (20.2) | 392 (19.6) | |
| 51 000-75 000 | 2587 (36.9) | 765 (38.2) | |
| ≤50 000 | 1389 (19.8) | 484 (24.2) | |
| Distance from clinic, miles | |||
| ≤10 | 4892 (69.8) | 1355 (67.6) | .004 |
| 11-20 | 1354 (19.3) | 374 (18.7) | |
| 21-30 | 307 (4.4) | 103 (5.1) | |
| >30 | 451 (6.4) | 171 (8.5) | |
| Eye involvement | |||
| Bilateral | 2353 (33.6) | 518 (25.9) | <.001 |
| Unilateral | 4651 (66.4) | 1485 (74.1) | |
Abbreviation: AGI, adjusted gross income (rounded to the nearest $1000).
a
P values obtained by χ2 test.
b
Other includes Hispanic, Native American, and Pacific Islander.