|
Operation time, min, median (IQR)
|
120.0 (110.0–123.0)
|
132.0 (110.0–155.0)
|
0.048
|
|
Intraoperative blood loss, ml, median (IQR)
|
20.0 (10.0–60.0)
|
20.0 (10.0–60.0)
|
0.655
|
|
Removal method of the specimen, n (%)
| | |
0.858
|
|
Natural orifice
|
1 (4.3)
|
2 (5.9)
| |
|
Abdominal scar
|
3 (13.0)
|
3 (8.8)
| |
|
Pfannenstiel incision
|
19 (82.6)
|
29 (85.3)
| |
|
The length of tumor, cm, median (IQR)
|
3.0 (3.0–4.0)
|
3.3(3.0–4.3)
|
0.664
|
|
Proximal resection margin, cm, median (IQR)
|
11.3 (10.0–13.8)
|
24.0 (23.0–24.6)
|
< 0.001
|
|
Distal resection margin, cm, median (IQR)
|
11.0 (10.0–12.0)
|
11.0 (10.0–13.3)
|
0.345
|
|
Number of lymph nodes retrieved, median (IQR)
|
27.0 (23.0–34.0)
|
32.5 (25.0–44.0)
|
0.083
|
|
Number of metastatic lymph nodes, median (IQR)
|
0 (0–1.0)
|
0 (0-1.0)
|
0.905
|
|
Rate of metastatic lymph nodes (%)
|
9 (39.1)
|
14 (41.2)
|
0.877
|
|
pTNM stage, n (%)
| | |
0.674
|
|
I
|
1 (4.3)
|
4 (11.8)
| |
|
II
|
13 (56.5)
|
16 (47.1)
| |
|
III
|
19 (39.1)
|
14 (41.2)
| |
