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. Author manuscript; available in PMC: 2006 May 19.
Published in final edited form as: J Nutr. 2002 Apr;132(4):697–702. doi: 10.1093/jn/132.4.697

TABLE 1.

AREDS AMD clinical trial design and participants with blood collection and follow-up, by treatment1

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
1

AREDS, Age-Related Eye Disease Study; AMD, age-related macular degeneration.