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Table 3 The difference of liver function between three Mn exposed groups (mean ± SD)

From: Interaction of occupational manganese exposure and alcohol drinking aggravates the increase of liver enzyme concentrations from a cross-sectional study in China

 Variable

Exposure group

P a

P trend

 

Low (n=381)

Intermediate (n=181)

High (n=550)

  

TBILI (μmol/L)

11.23±2.20

11.58±3.21

11.48±3.17

0.554

0.231

DBILI (μmol/L)

3.54±0.85

3.83±1.09

3.84±1.20

0.006

0.000

IBILI (μmol/L)

7.64±1.98

7.79±2.45

7.65±2.39

0.739

0.960

ALT (IU/L)

20.38±10.97

21.31±9.75

27.04±19.12

0.000

0.000

AST (IU/L)

26.39±8.07

26.43±6.61

29.96±16.68

0.007

0.000

  1. a Analysis of covariance for differences between the different exposure groups, after adjusting gender, working years and drinking habits.