Table 2 Characteristics of the surgical procedures and postoperative short-term outcomes

Operation method, no. (%)

0.010

 Laparoscopy

4 (11.4%)

0 (0%)

 Open

31 (88.6%)

72 (100%)

Operation findings, no. (%)

 Ascites

7 (20.0%)

38 (52.8%)

0.001

 Perforation

0 (0%)

4 (5.6%)

0.301

Stoma formation

1 (2.9%)

0 (0%)

0.327

Transfusion, no. (%)

1 (2.9%)

10 (13.9%)

0.098

Blood loss, mean (± SD), ml

70.00 ± 39.92

77.22 ± 50.94

0.414

Operation time, mean (± SD), min

118.14 ± 29.95

147.14 ± 43.77

0.052

Positive margin, no. (%)

0 (0%)

0 (0%)

/

No. of retrieved LNs, mean (± SD)

21.09 ± 9.89

19.96 ± 9.53

0.766

No. of metastatic LNs, mean (± SD)

1.86 ± 3.91

1.89 ± 2.69

0.573

ICU stay, no. (%)

4 (11.4%)

25 (34.7%)

0.011

ICU stay time, mean (± SD), day

4.25 ± 2.87

3.96 ± 2.81

0.882

Postoperative complication, no. (%)

4 (11.4%)

21 (29.2%)

0.042

 Wound infection

1 (2.9%)

5 (6.9%)

0.661

 Pneumonic infection

2 (5.7%)

11 (15.3%)

0.217

 Anastomotic leakage

0 (0%)

3 (4.2%)

0.549

 Gastric retention

0 (0%)

1 (1.4%)

1.000

 MODS

0 (0%)

1 (1.4%)

1.000

 AHF

1 (2.9%)

0 (0%)

0.327

30-days mortality, no. (%)

0 (0%)

1 (1.8%)

1.000

Hospital stay, mean (± SD), day

8.23 ± 6.50

11.18 ± 6.71

0.033