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Table 2 Distribution of water inorganic arsenic concentrations

From: Arsenic is associated with reduced effect of folic acid in myelomeningocele prevention: a case control study in Bangladesh

 

Controls

Controls excluding BCC 1

Cases

First trimester drinking water (μg/L)

   

n

55

33

54

Mean ± SD

49.4 ± 103.6

38.3 ± 101.6

19.8 ± 54.6

Median

6.9

<LOD2

0.7

25th percentile

<LOD

<LOD

<LOD

75th percentile

54.9

8.5

12.7

Lowest

<LOD

<LOD

<LOD

Highest

506.0

450.0

357.0

  1. 1BCC = Birhampur Community Clinic.
  2. 2LOD = limit of detection (0.15 μg/L).
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Environmental Health

ISSN: 1476-069X