minimum

maximum

mean ± SD

median

95% CI

Daily requirements (mg)^*

Calcium

90.85

188.3

142.3 ± 21.6

144.2

138.1 - 148.2

210

Copper

0.15

1.37

0.4 ± 0.02

0.42

0.396 - 0.404

0.20

Iron

1.97

3.69

2.7 ± 0.4

2.65

2.61 2.79

0.27

Magnesium

20.40

52.1

39.8 ± 4.2

34.96

38.8 - 40.7

30.0

Zinc

2.19

9.88

3.6 ± 0.2

2.50

3.55 - 3.64

2.0