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Table 4 Equations of regression between logarithm of iAs in drinking water (log x) and logarithm of urinary As species (log y)

From: Arsenic speciation analysis of urine samples from individuals living in an arsenic-contaminated area in Bangladesh

Urinary species

Equations

r

p value

AsIII

log y = 0.470 log x + 0.442

0.574

<0.0001

AsV

log y = 0.358 log x − 0.335

0.495

<0.0001

MMA

log y = 0.497 log x + 0.308

0.590

<0.0001

DMA

log y = 0.420 log x + 1.264

0.582

<0.0001

iAsa

log y = 0.456 log x + 0.530

0.597

<0.0001

iAs + MMA

log y = 0.474 log x + 0.744

0.611

<0.0001

sumAsb

log y = 0.432 log x + 1.389

0.602

<0.0001

  1. aValues are sum of AsIII and AsV
  2. bValues are concentrations of sum of arsenic compounds detected in speciation analysis
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Environmental Health and Preventive Medicine

ISSN: 1347-4715

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