Table 1.

Patient characteristics by surgery groups.

Preoperative phase Patients age, gender, Child-Pugh class (A:B), spleen longitudinal diameter (cm), perioperative blood test included haemoglobin (Hb), AST, ALT.

Intraoperative phase operation time (minites), volume of intraoperative blood loss and blood autotransfusion, the numbers of conversion to open

Postoperative phase the numbers of postoperative fever (>38.5 °C), the others complications including pulmonary infection, tender pancreatic leakage, subphrenic abscess, injure of colon, postoperative blood test included haemoglobin (Hb), Tbil, Ibil, AST, ALT, Hb increase, hospital stay, hospitalization expenses.