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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Sci Total Environ. 2014 Jun 26;505:1361–1369. doi: 10.1016/j.scitotenv.2014.06.026

Table 2a.

Comparison of Treatment Group Data to NHANES 2003-2004

Total Arsenic Data (μg/g creatinine) Selected Percentiles
Groups Sample Size Geometric Mean 25 50 75 95
NHANES 2557 8.2 4.2 7.0 14.1 50.2
Comparison 5 13.8 9.3 13.7 21.4 22.2
Pre-Post POE Time Period 0 16 18.4 9.3 18.9 32.8
Pre-Post POE Nine-Months 16 17.2 10.1 14.9 23.6
Pre-Post POU Time Period 0 8 38.0 21.9 31.0 90.2
Pre-Post POU Nine-Months 8 19.4 13.3 14.7 31.0