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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Ophthalmology. 2012 Oct 6;120(1):122–129. doi: 10.1016/j.ophtha.2012.07.042

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.