Table 3.

Biochemical values of patients before EUS (n = 51)

Parameter	Cases (*)	Cases with abnormal results (%)
Alkaline phosphatase	45	6 (13%)	95 ± 70 IU·L-1
γ-GTP	43	9 (21%)	131 ± 175 IU·L-1
ALT	45	6 (13%)	48 ± 64 IU·L-1
AST	32	3 (9%)	51 ± 84 IU·L-1
Bilirubin	46	1 (2%)	149.6 ± 100.5 μmol·L-1

(*)some biochemical results unavailable in several cases (*)Normal levels of liver enzymes in our lab: - Alkaline phosphatase < 110 IU•L-1 - γ-GTP < 65 IU•L-1 - ALT < 40 IU•L-1 - AST < 40 IU•L-1 - Bilirubin < 17 μmol•L-1