Table 1 Descriptive statistics for drinking water and urinary arsenic concentrations.

From: Urinary arsenic profiles reveal exposures to inorganic arsenic from private drinking water supplies in Cornwall, UK

n

Drinking water total As (μg/L)

Urinary total As (μg/L)

Urinary U-AsIMM (μg/L)

Urinary AB (μg/L)

Urinary AsIII (μg/L)

Urinary AsV (μg/L)

Urinary MA (μg/L)

Urinary DMA (μg/L)

127

207

207

207

207

207

207

207

Unadjusted

 Arithmetic mean

7.0

37

9.0

26

0.7

0.5

1.3

6.5

 Geometric mean

1.0

16

5.8

6.2

0.6

0.8

0.7

4.3

 Median

0.9

15

5.3

6.9

0.3

0.3

0.7

4.0

 Min

<LOD

1.6

0.9

<LOD

<LOD

<LOD

<LOD

0.8

 Max

233

426

124

363

13

12

25

79

Osmolality Adjusted

 Arithmetic mean

 

36

8.6

26

0.6

0.5

1.2

6.3

 Geometric mean

17

6.3

6.5

0.6

0.8

0.7

4.7

 Median

15

5.7

7.3

0.4

0.3

0.8

4.4

 Min

2.2

1.7

<LOD

<LOD

<LOD

<LOD

1.4

 Max

404

131

360

14

9.1

27

84

  1. Drinking water As results are shown on the basis of collected samples/sampled supplies (n = 127). Between 1 and 4 volunteers were associated with any one drinking water sample. Urinary As results are shown both with and without osmolality adjustment.
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