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Table 3 Selected heavy metal concentrations in blood from various countries

From: A review of the health implications of heavy metals and pesticide residues on khat users

Country Target group Heavy metal in blood Heavy metal level in blood References
    (%)  
Uganda Children Antimony 99.0 Cusick et al. (2018)
Lead 97.0
Manganese 36.4
Cobalt 19.2
Cadmium 17.0
Copper 12.0
Country Target group Heavy metal in blood Heavy metal level in blood References
    µg L−1  
Bangladesh Industrial workers Lead 32.78 ± 9.47 Ahmed et al. (2020)
Zinc 9.08 ± 1.95
Nickel 1.42 ± 1.01
Cadmium 1.08 ± 0.47
Country Target group Heavy metal in blood Heavy metal level in blood References
    (µg L−1)  
India 0 – 30 years Arsenic 2.45 ± 1.72 Jose and Ray (2018)
Lead 31.6 ± 12.5
Mercury 1.31 ± 0.83
31–45 years Arsenic 2.05 ± 1.45 Jose and Ray (2018)
Lead 29.8 ± 16.3
Mercury 1.87 ± 1.42
45 – 60 years Arsenic 1.54 ± 1.00 Jose and Ray (2018)
Lead 41.0 ± 12.7
Mercury 1.52 ± 1.55
Country Target group Heavy metal in blood Heavy metal level in blood References
    (µg L−1)  
France Adults Arsenic 0.02 Cesbron et al. (2013)
   Lead 2.26  
   Mercury 0.05  
   Cadmium 0.06  
   Copper 7.00  
Country Target group Heavy metal in blood Heavy metal level in blood References
    (µg L−1)  
China Inhabitants of Pearl River delta Zinc 11.50 ± 8.03 Lia et al. (2019)
   Copper 0.67 ± 0.09  
   Chromium 92.83 ± 32.63  
   Lead 158.84 ± 160.38  
   Mercury 1.19 ± 1.40  
   Antimony 1.92 ± 1.09