Table 3 Univariate analyses of postoperative complications associated with RLN count

Overall (n)

435

248

187

0.062

Grade I (n)

231

132

99

0.198

 Fever > 37.5 °C

144

85

59

 Emesis

156

83

73

 Pain

30

18

12

 Abdominopelvic collection

1

1

0

 Pleural effusion

4

4

0

Grade II (n)

137

78

59

0.366

 Blood transfusions

60

38

22

 Early postoperative bowel obstruction

2

1

1

 Gastroparesis

25

14

11

 Liver function abnormalities

1

1

0

 Wound infection

8

5

3

 Pneumonia

27

15

12

 Intra-abdominal infections

20

12

8

 Urinary tract infection

4

0

4

 Enteritis

3

1

2

 Bacteremia

14

7

7

Grade III (n)

59

32

27

0.878

 Anastomotic leakage

23

14

9

 Lymphatic leakage

8

3

5

 Pancreatic fistula

2

0

2

 Biliary fistula

1

0

1

 Bleeding

8

5

3

 Abdominopelvic collection

1

1

0

 Pleural effusion

9

5

4

 Intra-abdominal abscess

2

1

1

 Wound disruption

3

3

0

 Delayed wound healing

4

3

1

 Gastroparesis

1

0

1

 Early postoperative bowel obstruction

1

0

1

 Splenic necrosis

1

0

1

Grade IV (n)

5

4

1

0.452

 Heart failure

1

1

0

 Kidney failure

1

1

0

 Brain infarction

1

0

1

 MODS

2

2

0

Grade V (n)

3

2

1

1.000

Grade ≥ III (n)

67

38

29

0.562