Table 3 Postoperative outcomes and complications

Unmatched cohort (n = 105)

Variables

RPSS group ( n = 26 )

EC group ( n = 79 )

p value

Postoperative outcomes

 Time to start eating^a day

4 (3)

3 (3)

0.82

 Time before first flatus^a day

2 (2)

2 (2)

0.37

 Postoperative hospital stay^a day

9 (6.5)

10 (8)

0.61

 VAS score on POD0^a

4 (3)

4 (4)

0.56

 Readmission, N (%)

0 (0)

0 (0)

Complications (Clavian Dindo grade ≧ I)

 Wound infection, N (%)

1 (3.8)

2 (2.5)

1.0

 Urinary tract infection, N (%)

0 (0)

3 (3.8)

0.57

 Lymphorrhoea, N (%)

2 (7.7)

2 (2.5)

0.26

 Ileus, N (%)

1 (3.8)

3 (3.8)

1.0

 Anastomotic leakage, N (%)

0 (0)

1 (1.3)

1.0

 Abdominal incisional hernia, N (%)

1 (3.8)

2 (2.5)

0.74

Matched cohort after a 1:1 Propensity score matching (n = 46)

Variables

RPSS group ( n = 23 )

EC group ( n = 23 )

p value

Postoperative outcomes

 Time to start eating^a day

4 (3)

3 (2)

0.61

 Time before first flatus^a day

2 (2)

2 (1)

0.84

 Postoperative hospital stay^a day

9 (8)

10 (11)

0.91

 VAS score on POD0^a

3.5 (3)

4 (2)

0.50

 Readmission, N (%)

0 (0)

0 (0)

Complications (Clavian Dindo grade ≧ I)

 Wound infection, N (%)

1 (4.4)

1 (4.4)

1.0

 Urinary tract infection, N (%)

0 (0)

1 (4.4)

0.31

 Lymphorrhoea, N (%)

2 (8.7)

1 (4.4)

0.55

 Ileus, N (%)

1 (4.4)

2 (8.7)

0.55

 Anastomotic leakage, N (%)

0 (0)

0 (0)

 Abdominal incisional hernia, N (%)

1 (4.4)

0 (0)

0.31