Table 4 Comparison of post-operative complication occurrence for resection group and radiofrequency group (Clavien scoring system)

72

50

Clavien level I (without drugs, conservative treatment)

7 (9.7%)

4 (8%)

Incision fat liquefaction

2

1

Wound infection

1

2

Pleural effusion

2

1

Biliary fistula

2

0

Clavien level II (simple medicine treatment)

5 (6.9%)

2 (4%)

Wound infection

2

1

Postoperative pulmonary infection

1

1

Postoperative abdominal hemorrhage

2

0

Clavien level IIIa (therapeutic operation

1 (1.4%)

0 (0%)

Pleural effusion

1

0

Clavien level IIIb (operational treatment

1 (1.4%)

1 (2%)

Abdominal hemorrhage

1

0

Biloma

0

1

Clavien level IVa (single organ function failure)

2 (2.8%)

1 (2%)

Respiratory failure

1

0

Liver failure

1

1

Clavien level IVb (multiple organ failure)

1 (1.4%)

0 (0%)

Hepatorenal syndrome

1

0

Clavien level V (death)

1 (1.4%)

0 (0%)

Septic shock

1

0