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Table 2 Distribution of urinary arsenic species concentration (μg/L) in the populations living near abandoned metal mines at each province

From: Urinary arsenic species concentration in residents living near abandoned metal mines in South Korea

Province Number Arsenic species GM(95% CI), μg/L
Total 119 Organic DMA 116.11(102.03–132.13)
MMA 2.08(1.41–3.08)
Inorganic As3+ 0.30(0.20–0.47)
As5+ 0.37(0.24–0.56)
uAs 131.98(116.72–149.23)
Gangwon/Kyounggi/Inchon 25 Organic DMA 138.69(112.83–170.47)
MMA 0.73(0.35–1.52)
Inorganic As3+ <LOD(0.07–0.29)
As5+ <LOD(0.07–0.26)
uAs 144.39(116.80–178.51)
Daegu/Gyeongbuk 25 Organic DMA 134.92(116.51–156.23)
MMA 1.66(0.94–2.92)
Inorganic As3+ <LOD
As5+ <LOD
uAs 138.18(119.59–159.65)
Busan/Ulsan/Gyeongnam 14 Organic DMA 117.29(89.51–153.71)
MMA 0.73(0.25–2.12)
Inorganic As3+ <LOD
As5+ <LOD
uAs 119.88(91.22–157.53)
Jeonnam/Jeonbuk 36 Organic DMA 108.36(76.45–153.59)
MMA 22.61(17.47–29.26)
Inorganic As3+ 4.96(2.31–10.61)
As5+ 7.10(4.26–11.82)
uAs 156.06(114.28–213.12)
Chungnam/Chungbuk 19 Organic DMA 85.33(62.65–116.22)
MMA 0.26(0.14–0.50)
Inorganic As3+ <LOD
As5+ <LOD
uAs 86.25(63.42–117.30)
  1. GM: geometric mean; CI: confidence interval
  2. uAs: urinary arsenic(summation of As3+, As5+, MMA, and DMA)
  3. As3+: trivalent arsenic or arsenite
  4. As5+: pentavalent arsenic or arsenate
  5. MMA: monomethylarsonic acid
  6. DMA: dimethyarsinic acid
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