Table 5.
Analysis for 3-line gain from baseline at 1 Year
| Baseline Characteristics | N | ≥3-line gain (%) | Adjusted OR (95% CI) § | P-value |
|---|---|---|---|---|
| Age (years) | ||||
| 50–69 | 131 | 51(38.9%) | 1.00 | 0.008 |
| 70–79 | 387 | 107(27.6%) | 0.62 (0.37, 1.02) | |
| 80–89 | 512 | 141(27.5%) | 0.44 (0.27, 0.73) | |
| ≥90 | 75 | 28(37.3%) | 0.67 (0.32, 1.41) | |
| Baseline VA in study eye | ||||
| 68–82 letters, 20/25 - 20/40 | 397 | 28(7.1%) | 0.11 (0.07, 0.18) | <0.0001 |
| 53–67 letters, 20/50 - 20/80 | 414 | 150(36.2%) | 1.00 | |
| 38–52 letters, 20/100–20/160 | 223 | 119(53.4%) | 2.60 (1.80, 3.77) | |
| 23–37 letters, 20/200-20/320 | 71 | 30(42.3%) | 1.73 (0.97, 2.07) | |
| Baseline VA in fellow eye | ||||
| 83–100 letters, 20/20 or better | 331 | 110(33.2%) | 1.00 | 0.005 |
| 68–82 letters, 20/25 - 20/40 | 433 | 135(31.2%) | 0.90 (0.63, 1.30) | |
| 0–67 letters, 20/50 or worse | 341 | 82(24.0%) | 0.53 (0.35, 0.80) | |
| Baseline area of CNV (mm2) | ||||
| ≤2.54 | 443 | 145(32.7%) | 1.00 | 0.04 |
| >2.54 to ≤5.08 | 219 | 63(28.8%) | 0.71 (0.47, 1.07) | |
| >5.08 to ≤10.2 | 207 | 65(31.4%) | 0.91 (0.60, 1.37) | |
| >10.2 | 103 | 24(23.3%) | 0.67 (0.38, 1.18) | |
| Can’t measure | 133 | 30 (22.6%) | 0.44 (0.25, 0.76) | |
| RAP lesion | ||||
| No | 966 | 276(28.6%) | 1.00 | 0.006 |
| Yes | 118 | 48(40.7%) | 1.94 (1.21, 3.10) | |
| Total foveal thickness (μ) | ||||
| 1st quartile (≤325) | 277 | 59(21.3%) | 1.00 | 0.004 |
| 2nd quartile (>325 to ≤425) | 285 | 95(33.3%) | 1.74 (1.11, 2.72) | |
| 3rd quartile (>425 to ≤550) | 253 | 83(32.8%) | 1.15 (0.73, 1.82) | |
| 4th quartile (>550) | 285 | 89(31.2%) | 0.80 (0.50, 1.27) | |
| RPE elevation | ||||
| No | 145 | 61(42.1%) | 1.00 | 0.002 |
| Yes | 944 | 258(27.3%) | 0.52 (0.34, 0.79) | |
| Treatment Group | ||||
| Ranibizumab Monthly | 284 | 97 (34.2%) | 1.00 | 0.04 |
| Bevacizumab Monthly | 265 | 83 (31.3%) | 0.80 (0.53, 1.22) | |
| Ranibizumab as needed | 285 | 71 (24.9%) | 0.56 (0.37, 0.86) | |
| Bevacizumab as needed | 271 | 76 (28.0%) | 0.63 (0.41, 0.96) | |
OR = Odds Ratio; CI = Confidence Interval; VA= Visual Acuity; CNV= choroidal neovascularization; RAP=Retinal Angiomatous Proliferans; RPE=Retinal Pigment Epithelium.
A total of 1066 participants were included in the final multivariate model, and 39 patients were excluded due to missing value in one or more predictors.