|
Procedure duration (min, mean ± SD)
|
87.09 ± 72.40
|
79.70 ± 49.44
|
0.260
|
0.260
|
|
Procedure duration [n (%)]
| | |
< 0.001
|
0.994
|
|
≤ 60 min
|
185 (44.4)
|
12 (44.4)
| | |
|
> 60 min
|
232 (55.6)
|
15 (55.6)
| | |
|
Tumor size [n (%)]
| | |
5.790
|
0.016*
|
|
≤ 20 mm
|
293 (70.3)
|
13 (48.1)
| | |
|
> 20 mm
|
124 (29.7)
|
14 (51.9)
| | |
|
Tumor location [n (%)]
| | |
NA
|
0.129
|
|
Upper
|
127 (30.5)
|
4 (14.8)
| | |
|
Medial
|
27 (6.5)
|
3 (11.1)
| | |
|
Lower
|
263 (63.1)
|
20 (74.1)
| | |
|
Number of resected specimen [n (%)]
|
NA
|
0.196
|
|
Single
|
374 (89.7)
|
22 (81.5)
| | |
|
Multiple
|
43 (10.3)
|
5 (18.5)
| | |
|
Lifting sign [n (%)]
| | |
0.012
|
0.914
|
|
Positive
|
328 (78.7)
|
21 (77.8)
| | |
|
Poor
|
89 (21.3)
|
6 (22.2)
| | |
|
Intraoperative use of hemoclips [n (%)]
|
5.209
|
0.022*
|
|
No
|
265 (63.5)
|
23 (85.2)
| | |
|
Yes
|
152 (36.5)
|
4 (14.8)
| | |
|
Resection type [n (%)]
| | |
NA
|
0.643
|
|
Piecemeal
|
21 (5.0)
|
2 (7.4)
| | |
|
En bloc
|
396 (95.0)
|
25 (92.6)
| | |
|
Procedure time [n (%)]
| | |
0.652
|
0.419
|
|
Morning
|
234 (56.1)
|
13 (48.1)
| | |
|
Afternoon
|
183 (43.9)
|
14 (51.9)
| | |
|
Macroscopic type [n (%)]
| | |
NA
|
1.000
|
|
Type 0-I
|
19 (4.6)
|
1 (3.7)
| | |
|
Type 0-II
|
396 (95.0)
|
26 (96.3)
| | |
|
Type 0-III
|
2 (0.5)
|
0 (0.0)
| | |
|
Tumor differentiation [n (%)]
| | |
NA
|
0.721
|
|
Differentiated
|
381 (91.4)
|
24 (88.9)
| | |
|
Undifferentiated
|
36 (8.6)
|
3 (11.1)
| | |
|
Histological classification [n (%)]
| |
NA
|
0.676
|
|
LGIN
|
6 (1.4)
|
0 (0.0)
| | |
|
HGIN
|
45 (10.8)
|
4 (14.8)
| | |
|
Gastric cancer
|
366 (87.8)
|
23 (85.2)
| | |
|
Depth of tumor invasion [n (%)]
| |
NA
|
0.896
|
|
M
|
367 (88.0)
|
24 (88.9)
| | |
|
SM1
|
34 (8.2)
|
3 (11.1)
| | |
|
SM2
|
16 (3.8)
|
0 (0.0)
| | |
|
Vertical margin [n (%)]
| | |
NA
|
0.300
|
|
Negative
|
401 (96.2)
|
25 (92.6)
| | |
|
Positive
|
16 (3.8)
|
2 (7.4)
| | |
|
Horizontal margin [n (%)]
| | |
NA
|
0.077
|
|
Negative
|
403 (96.6)
|
24 (88.9)
| | |
|
Positive
|
14 (3.4)
|
3 (11.1)
| | |
|
Lymphatic invasion [n (%)]
| | |
NA
|
0.324
|
|
No
|
400 (95.9)
|
25 (92.6)
| | |
|
Yes
|
17 (4.1)
|
2 (7.4)
| | |
|
Venous invasion [n (%)]
| | |
< 0.001
|
1.000
|
|
No
|
399 (95.7)
|
26 (96.3)
| | |
|
Yes
|
18 (4.3)
|
1 (3.7)
| | |
|
Complete resection [n (%)]
| | |
NA
|
0.204
|
|
No
|
23 (5.5)
|
3 (11.1)
| | |
|
Yes
|
394 (94.5)
|
24 (88.9)
| | |
|
Resection classification [n (%)]
| |
NA
|
0.120
|
|
Curative resection
|
243 (58.3)
|
11 (40.7)
| | |
|
Curative resection for expanded indications
|
90 (21.6)
|
10 (37.0)
| | |
|
Noncurative resection
|
84 (20.1)
|
6 (22.2)
| | |
|
Multiple tumors [n (%)]
| | |
NA
|
0.036*
|
|
No
|
390 (93.5)
|
22 (81.5)
| | |
|
Yes
|
27 (6.5)
|
5 (18.5)
| | |
|
Absolute indication [n (%)]
| | |
3.137
|
0.077
|
|
Yes
|
257 (61.6)
|
12 (44.4)
| | |
|
No
|
160 (38.4)
|
15 (55.6)
| | |
