More than half of the patients had hepatic toxification markers in the low or within the normal range: GGT 68.6% (M 85.8 ± 147.9, 12.0–888.0 U/L; F 185.8 ± 268.8, 7.0–646.0 U/L), ALT 70.6% (M 45.7 ± 48.7, 9.0–249.0 U/L; F 38.8 ± 27.4, 12.0–75.0 U/L), AST 51.0% (M 53.1 ± 45.8, 18.0–245.0 U/L; F 47.4 ± 27.2, 17.0–74.0 U/L); and also alcohol abuse marker, CDT 56.9% (2.9 ± 2.1, 0.9–9.0%). Here, GPT is linked to alcohol abuse.