Table 7.
Baseline VA 20/100 or better (n = 260) |
Baseline VA 20/200 or better (n = 352) |
|||
---|---|---|---|---|
Treatment | OR (99% CI) | PValue | OR (99% CI) | PValue |
Antioxidants vs no antioxidants | 0.54 (0.30–0.95) | .005 | 0.66 (0.40–1.07) | .03 |
Zinc vs no zinc | 0.99 (0.56–1.74) | .96 | 1.10 (0.67–1.79) | .62 |
Antioxidants vs placebo | 0.35 (0.15–0.81) | .001 | 0.56 (0.27–1.13) | .03 |
Zinc vs placebo | 0.65 (0.28–1.50) | .18 | 0.93 (0.46–1.89) | .79 |
Antioxidants + zinc vs placebo | 0.53 (0.23–1.24) | .05 | 0.72 (0.36–1.46) | .24 |
Total No. of participants with events | 167 | 206 |
Eyes with geographic atrophy at baseline are excluded. Unadjusted analysis by repeated-measures logistic regression. VA indicates visual acuity; AMD, age-related macular degeneration; OR, odds ratio; and CI, confidence interval. P≤.01 is considered statistically significant.