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Origin of pyogenic liver abscesses
| Variables | LS group (n = 13) | OS group (n = 18) |
| Cholelithiasis | 6 | 7 |
| Choledocholithiasis | 3 | 5 |
| Hepatolithiasis | 3 | 4 |
| Intrahepatic biliary stricture | 1 | 1 |
| Biliary cystadenoma | 0 | 1 |
LS: Laparoscopic surgery; OS: Open surgery.
