risk of death, 79.0% lower, RR 0.21, p = 0.01, high zinc levels (≥660µg/L) 3 of 49 (6.1%), low zinc levels (<660µg/L) 7 of 24 (29.2%), NNT 4.3.
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risk of death, 78.4% lower, RR 0.22, p = 0.03, high zinc levels (≥660µg/L) 2 of 17 (11.8%), low zinc levels (<660µg/L) 6 of 11 (54.5%), NNT 2.3, >65 years.
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