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Table 6 Comparison of the mean serum levels of micronutrients in children from different countries

From: Micronutrient levels and nutritional status of school children living in Northwest Ethiopia

Micronutrients

Present work Average value (n)

Reported range of sera level (n)

Country

Reference

Magnesium (mg/dl)

2.42±0.32

2.2± 0.4 (488)

Mexico

[19]

a(1.50-3.68)

1.8±0.17(243)

Vietnam

[49]

Calcium (mg/dl)

15.31±2.14

9.4±0.97 (5137)

India

[20]

(9.35-20.52)

8.96±0.48 (39)

Nigeria

[21]

Iron (μg/dl)

328.19±148.91

60.9±30.2 (281)

Malaysia

[22]

(74.49-845.51)

   

Copper (μg/dl)

191.30±50.17

119.5±34.8 (28)

Sudan

[23]

(107.94-324.96)

111.27±21.17(114)

Yemen

[60]

 

109±17 (156)

Japan

[24]

Zinc (μg/dl)

86.40±42.40

65.4±18.9 (247)

Uganda

[25]

(27.75-211.64)

66.4±21.5 (149)

South Africa

[55]

 

122.3±55 (902)

Iran

[56]

 

92±13 (156)

Japan

[24]

Selenium (μg/dl)

6.32±2.59

7.21±1.68 (216)

Iran

[26]

(1.70-12.89)

   

Molybdenum(μg/dl)

0.23±0.15

1.75 ± 0.8

USA

[65]

(0.03-0.63)

   
  1. a -range.