Table 3 30-day postoperative complications according to the Clavien-Dindo classification

Grade

0.352

 Grade I

2 (1.1%)

7 (3.8%)

  Wound infection

1

5

  Wound seroma

1

2

 Grade II

29 (15.8%)

29 (15.8%)

  Wound infection

2

4

  Pneumonia

6

10

  Prolonged ileus

5

2

  Intraperitoneal abscess

4

3

  Bleeding

0

4

  FUO

2

0

  Voiding difficulty

0

3

  Pleural effusion

2

0

  Arrhythmia

2

0

  CVA

2

0

  Delirium

0

2

  Others

4

1

 Grade IIIa

6 (3.3%)

11 (6.0%)

  Wound infection

2

1

  Pleural effusion

2

4

  Intraperitoneal abscess

1

3

  AKI

1

2

  Others

0

1

 Grade IIIb

3 (1.6%)

4 (2.2%)

  Wound dehiscence

1

3

  Leakage

1

1

  Intraperitoneal abscess

1

0

 Grade IV

5 (2.7%)

7 (3.8%)

  Sepsis

3

4

  Pneumonia

2

2

  Leakage

0

1