|
Variables
|
Patients [n(%)]
|
Positive
|
Negative
|
Positive rate (%)
|
P
|
|---|
|
Age
| | | | | |
|
≥65
|
31
|
8
|
23
|
25.8
|
0.740
|
|
<65
|
20
|
6
|
14
|
30.0
|
|
Gender
| | | | | |
|
Male
|
27
|
7
|
20
|
25.9
|
0.791
|
|
Female
|
24
|
7
|
17
|
29.2
|
|
Tumor size (cm)
| | | | | |
|
≥3.5
|
26
|
7
|
19
|
26.9
|
0.920
|
|
<3.5
|
25
|
7
|
18
|
28.0
|
|
Histology
| | | | | |
|
Adenocarcinoma
|
32
|
9
|
23
|
28.1
|
0.889
|
|
Squamous carcinomas carcinomas
|
19
|
5
|
14
|
26.3
|
|
Differentiation
| | | | | |
|
G1-G2
|
30
|
8
|
22
|
26.7
|
0.888
|
|
G3
|
21
|
6
|
15
|
28.6
|
|
Lymph node metastasis
| | | | | |
|
Node-positive
|
29
|
7
|
22
|
24.1
|
0.543
|
|
Node-negative
|
22
|
7
|
15
|
31.8
|
|
Distant metastasis
| | | | | |
|
Yes
|
4
|
2
|
2
|
50.0
|
0.300※
|
|
No
|
47
|
12
|
35
|
25.5
|
|
TNM stage
| | | | | |
|
I ~ II
|
24
|
7
|
17
|
29.2
|
0.796
|
|
III ~ IV
|
27
|
7
|
20
|
25.9
|
- ※Fisher’s exact test was used.
