Table 2 Perioperative and long-term postoperative complications (overall cohort)

 Mortality, n (%)

1 (2.0%)

0 (0.0%)

0 (0.0%)

0.232^‡

 Reoperation, n (%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

/

 Readmission, n (%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

/

 Overall morbidity, n (%)

19 (38.8%) z

18 (19.6%) y

8 (11.4%)  y

0.001^†

Grade I/II complications, n (%)

13(26.5%)

17 (18.5%)

8 (11.4%)

0.107^†

 Wound infection

4 (8.2%)

6 (6.5%)

5(7.1%)

0.942^‡

 Intra-abdominal infection

0 (0.0%)

2 (2.2%)

0 (0.0%)

0.506^‡

 Ileus

0 (0.0%)

2 (2.2%)

1 (1.4%)

0.796^‡

 Acute pneumonia

1 (2.0%)

1 (1.1%)

1 (1.4%)

1.000^‡

 Fever of unknown origin

4 (8.2%) z

3 (3.3%) zy

0 (0.0%) y

0.037^‡

 Anastomotic hemorrhage

0 (0.0%)

1 (1.1%)

0 (0.0%)

1.000^‡

 Anastomotic leak

0 (0.0%)

1 (1.1%)

0 (0.0%)

1.000^‡

 Blood transfusion due to anemia

4 (8.2%)  z

1 (1.1%)  y

1 (1.4%)  y

0.049^‡

Grade III/IV complications, n (%)

5 (10.2%)  z

1 (1.1%)  y

0 (0.0%)  y

0.004^‡

 Wound dehiscence (fascia)

1 (2.0%)

0 (0.0%)

0 (0.0%)

0.232^‡

 Intra-abdominal infection and effusion

4 (8.2%)  z

0 (0.0%)  y

0 (0.0%)  y

0.003^‡

 Ileus

0 (0.0%)

0 (0.0%)

0 (0.0%)

1.000^‡

 Acute liver failure

0 (0.0%)

1 (1.1%)

0 (0.0%)

1.000^‡

Overall morbidity, n (%)

5 (10.2%)

3 (3.3%)

2 (2.9%)

0.133^‡

Grade I/II complications, n (%)

1 (2.0%)

1 (1.1%)

1 (1.4%)

1.000^‡

 Incisional hernia

0 (0.0%)

1 (1.1%)

0 (0.0%)

1.000^‡

 Ileus

1 (2.0%)

0 (0.0%)

1 (1.4%)

0.317^‡

Grade III/IV complications, n (%)

4 (8.2%)

2 (2.2%)

1 (1.4%)

0.160^‡

 Incisional hernia

2 (4.1%)  z

0 (0.0%)  y

0 (0.0%) y

0.036^‡

 Adhesion

2 (4.1%)

1 (1.1%)

0 (0.0%)

0.171^‡

 Anastomotic stricture

0 (0.0%)

1 (1.1%)

1 (1.4%)

1.000^‡

Major perioperative complications, n (%)

6 (12.2%) z

1 (1.1%) y

0 (0.0%)  y

0.001^‡

Major long-term complications, n (%)

4 (8.2%)

2 (2.2%)

1 (1.4%)

0.160^‡