| CBTD | Chronic biliary tract disease |
| C | Controls |
| 25(OH)D | 25-hydroxycholecalciferol |
| GB | Gallbladder |
| BS | Biliary sludge |
| ALP | Alkaline phosphatase |
| GGT | Gamma-glutamyl transferase |
| AST | Aspartate aminotransferase |
| ALT | Alanine aminotransferase |
| SS | Simple steatosis |
| NAFLD | Non-alcoholic fatty liver disease |
| NASH | Non-alcoholic steatohepatitis |
| AKR1B10 | aldo-keto reductase family 1 member B10 |
| ALDH1A2 | Aldehyde Dehydrogenase 1 Family Member A2 |
| ALDH1A3 | Aldehyde Dehydrogenase 1 Family Member A3 |