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Table 2 Estimated daily intake (μg/day) of trace elements through drinking water and through diet in study population

From: The relation between amyotrophic lateral sclerosis and inorganic selenium in drinking water: a population-based case-control study

Element Centile of estimated intake through tapwatera Estimated intake through diet
  5th 50th 95th  
Al 0.0 0.0 7.8 3580
As 0.0 0.0 1.0 62
Cr 0.3 5.5 5.5 104.5b
Cd 0.0 0.0 0.0 13.6
Cu 2.9 10.7 13.5 1140
Fe 39.5 39.5 759.2 11000
Li 20.3 20.3 92.0 29.9
Mn 4.2 4.2 190.6 1380
Pb 0.2 4.2 4.2 55.2
Sec 0.0 0.0 20.8 0
Zn 54.1 54.1 3861.0 12000
  1. aExpressed as 5th, 50th and 95th percentiles, assuming a consumption of wellwater or municipal tapwater of 2.6 l/day
  2. bAverage of median values in males and females
  3. cInorganic Se only
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