Evaluation of liver enzyme levels in workers exposed to vinyl chloride vapors in a petrochemical complex: a cross-sectional study

Table 2 Comparison of mean of liver tests in studied groups

Value	Mean in case group	Mean in control group	P-value
Test
ALT (u/l)	28.88	27.98	0.1
AST (u/l)	22.87	21.15	0.1
ALP (u/l)	188.83	172.15	<0.001
GGT(u/l)	34.06	26.46	<0.001
T-Bili (mg/d)	0.83	0.82	0.6
D-Bili (mg/d)	0.24	0.24	0.4