Total arsenic and speciation analysis of saliva and urine samples from individuals living in a chronic arsenicosis area in China

Table 2 Relationship between skin lesions and total arsenic (TAs) concentrations in drinking water, urine and saliva

Skin lesions	Numbers	Arsenic in drinking water (μg/L)	Urinary arsenic (μg/gCr)	Salivary arsenic (μg/L)
Absent	33	111.99 ± 19.14	98.89 ± 14.52	9.21 ± 1.26
Present	37	225.97 ± 30.12^**	233.69 ± 28.91^**	23.18 ± 2.53^**
t value	—	−3.194	−4.167	−4.938

** p < 0.01, compared with the skin lesions absent group, statistical analysis by Student’s t-test

ISSN: 1347-4715