TABLE 1.
Total | Placebo | Antioxidants | Zinc | Antioxidants plus zinc | |
---|---|---|---|---|---|
n | |||||
Randomized | 3640 | 903 | 945 | 904 | 888 |
Blood collected | 851 | 205 | 215 | 237 | 194 |
5-y follow-up | 717 | 166 | 181 | 202 | 168 |
AREDS, Age-Related Eye Disease Study; AMD, age-related macular degeneration.