Table 5 Serum hepatic enzyme activities in the three groups based on the regulatory upper limit of arsenic concentrations in drinking water

Arsenic in drinking water

≤ 10 μg/L

38

83.37 ± 24.27

34.67 ± 7.42

24.23 ± 7.91

10.1 - 50 μg/L

21

90.47 ± 18.14

35.86 ± 8.00

26.92 ± 8.41

> 50 μg/L

141

107.75 ± 31.48^{a, b}

41.45 ± 17.42 ^{a, b}

34.01 ± 24.26 ^{a, b}

p-value

< 0.01^a, < 0.01^b

< 0.01^a, 0.05^b

< 0.01^a, < 0.05^b