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Statistical analysis
| Variables | Score | df | Significance | AUROC |
|---|---|---|---|---|
| Grade of fibrosis | 6.754 | 1 | 0.009 | 0.816 |
| AST/ALT ratio | 7.490 | 1 | 0.006 | 0.866 |
| APRI | 6.949 | 1 | 0.008 | 0.863 |
| Bile duct size | 2.340 | 1 | 0.126 | 0.659 |
| Overall statistics | 18.604 | 4 | 0.001 |
AUROC: Area under receiver operating characteristic curve, AST: Aspartate transaminase, ALT: Alanine transaminase, APRI: Aspartate platelet ratio index
