| |
LR
|
RR
|
p values*
|
CC**
|
CL***
|
p values*
|
|---|
|
30-day mortality
|
3 (0.3)
|
2 (0.2)
|
0.592
|
1 (1.1)
|
4 (0.3)
|
0.280
|
|
90-day mortality
|
11 (1.2)
|
5 (1.3)
|
0.856
|
3 (3.2)
|
13 (1.1)
|
0.081
|
|
Major complications
|
112 (12.3)
|
43 (11.5)
|
0.669
|
20 (21.2)
|
135 (11.4)
|
0.005
|
|
Conversion rate
|
87 (9.6)
|
8 (2.1)
|
< 0.001
| | | |
|
Anastomotic leak
|
27 (4.9)
|
14 (7.7)
|
0.203
|
5 (8.3)
|
36 (5.3)
|
0.319
|
|
Reoperation
|
71 (7.8)
|
35 (9.3)
|
0.367
|
13 (12.3)
|
93 (7.8)
|
0.046
|
|
Tumor perforation
|
5 (0.6)
|
2 (0.6)
|
0.988
|
3 (3.8)
|
4 (0.4)
|
< 0.001
|
|
LOSa median (IQR)
|
6 (4–9)
|
5 (3–7)
|
0.001
|
8 (6–12)
|
6 (4–8)
|
0.001
|
|
Single-organ failure
|
22 (2.4)
|
5 (1.3)
|
0.217
|
3 (3.2)
|
24 (2.0)
|
0.456
|
|
Multi-organ failure
|
3 (0.3)
|
2 (0.5)
|
0.595
|
2 (2.1)
|
3 (0.3)
|
0.005
|
|
Histopathological results
|
|---|
| |
LR
|
RR
|
p values
|
CC
|
CL
|
p values
|
|---|
|
Positive CRMb
|
35 (4.6)
|
16 (4.8)
|
0.885
|
9 (10.2)
|
42 (4.2)
|
0.010
|
|
Positive DRMc
|
6 (0.8)
|
1 (0.3)
|
0.376
|
1 (1.1)
|
6 (0.6)
|
0.547
|
|
Median DRMc (IQR)
|
3.0 (1.8–4.0)
|
3.5 (2.0–4.5)
|
0.002
|
2.6 (2.0–4.0)
|
3.0 (2.0–4.4)
|
0.367
|
|
Median PRMd (IQR)
|
15.0 (11.0–20.0)
|
13.5 (10.0–17.0)
|
0.001
|
18.0 (12.0–23.0)
|
14.0 (10.3–19.0)
|
0.001
|
|
L.nodee median (IQR)
|
16 (12–21)
|
13 (11–17)
|
0.001
|
16 (13–22)
|
15 (12–20)
|
0.505
|
|
Stagef
| |
|
1
|
196 (41.4)
|
66 (36.1)
|
0.486
|
14 (28.6)
|
248 (40.8)
|
0.135
|
|
2
|
121 (25.5)
|
38 (20.8)
| |
11 (22.5)
|
148 (24.3)
| |
|
3
|
108 (22.8)
|
54 (29.5)
| |
14 (28.6)
|
148 (24.3)
| |
|
4
|
49 (10.3)
|
25 (13.7)
| |
10 (20.4)
|
64 (10.5)
| |
- Values in parentheses are percentages unless indicated otherwise
- LR laparoscopic resections, RR robotic resections
- *Chi-square analyses
- **Converted cases
- ***Completed laparoscopically
- aLOS, In-hospital length of stay
- bCircumferential resection margin. Missing values in this variable n = 194
- cDistal resection margin, measured in centimeters. Missing values in this variable n = 209
- dProximal resection margin, measured in centimeters. Missing values in this variable n = 280
- eLymph nodes yielded
- fMissing values in this variable n = 627