|
Total
|
58
|
40
|
14
|
4
| |
|
Age, mean ± SD (years)
|
67.4 (9.9)
|
66.3 (10.8)
|
68.4 (6.9)
|
74.8 (7.4)
|
0.38
|
|
Sex, n (%)
|
|
Male
|
46 (79.3)
|
35 (87.5)
|
8 (57.1)
|
3 (75.0)
|
0.05
|
|
Female
|
12 (20.7)
|
5 (12.5)
|
6 (42.9)
|
1 (25.0)
| |
|
Tumor size, mean ± SD (mm)
|
27.5 (14.0)
|
26.5 (15.0)
|
27.8 (11.1)
|
36.8 (11.6)
|
0.38
|
|
Depth of tumor, n (%)
|
|
M
|
8 (13.8)
|
8 (20.0)
|
0 (0)
|
2 (1.6)
|
< 0.01
|
|
SM1
|
22 (37.9)
|
19 (47.5)
|
2 (14.3)
|
1 (25.0)
|
|
SM2
|
28 (48.3)
|
13 (32.5)
|
12 (85.7)
|
3 (75.0)
|
|
Histological type, n (%)
|
|
Differentiated
|
45 (77.6)
|
29 (72.5)
|
12 (85.7)
|
4 (100)
|
0.32
|
|
Undifferentiated
|
13 (22.4)
|
11 (27.5)
|
2 (14.3)
|
0 (0)
| |
|
Lymphatic invasion, n (%)
|
|
Negative
|
36 (62.1)
|
31 (77.5)
|
4 (28.6)
|
1 (25.0)
|
< 0.01
|
|
Positive
|
22 (37.9)
|
9 (22.5)
|
10 (71.4)
|
3 (75.0)
| |
|
Venous invasion, n (%)
|
|
Negative
|
44 (75.9)
|
34 (85.0)
|
9 (64.3)
|
1 (25.0)
|
0.05
|
|
Positive
|
14 (24.1)
|
6 (15.0)
|
5 (35.7)
|
3 (75.0)
| |
|
Ulceration (scar), n (%)
|
|
Negative
|
35 (60.3)
|
27 (67.5)
|
6 (42.9)
|
2 (50.0)
|
0.24
|
|
Positive
|
23 (39.7)
|
13 (32.5)
|
8 (57.1)
|
2 (50.0)
| |
|
Type of gastrectomy, n (%)
|
|
DG
|
35 (60.3)
|
24 (60.0)
|
9 (64.3)
|
2 (50.0)
|
0.87
|
|
TG
|
23 (39.7)
|
16 (40.0)
|
5 (35.7)
|
2 (50.0)
|
|
Postoperative complicationa, n (%)
|
|
Negative
|
45 (77.6)
|
32 (80.0)
|
9 (64.3)
|
4 (100)
|
0.26
|
|
Positive
|
13 (22.4)
|
8 (20.0)
|
5 (35.7)
|
0 (0)
|
|
30-day mortality, median range (%)
|
0.3 (0.1–6.3)
|
0.3 (0.1–6.3)
|
0.3 (0.1–0.4)
|
0.5 (0.2–0.6)
|
0.11
|
|
In-hospital mortality, median range (%)
|
0.5 (0.1–15.3)
|
0.5 (0.1–15.3)
|
0.5 (0.1–1.8)
|
0.7 (0.4–2.0)
|
0.59
|
|
Stratification risk of LNM, % (95% CI)
|
12.66 (10.51–15.07)
|
0.76 (0.16–2.20)
|
15.08 (11.26–19.60)
|
33.87 (25.62–42.91)
| |
