|
Characteristics
|
Number
|
Percent
|
|---|
|
Age (mean ± SD)
|
62.7 ± 7.0
| |
|
Gender
|
|
Male
|
150
|
82.9
|
|
Female
|
31
|
17.1
|
|
Smoking habit
|
|
Non-smoker
|
33
|
18.2
|
|
Smoker
|
148
|
81.8
|
|
Alcohol consumption
|
|
Non-drinker
|
33
|
18.2
|
|
Drinker
|
148
|
81.8
|
|
Location
|
|
Upper
|
26
|
14.4
|
|
Middle
|
83
|
45.9
|
|
Lower
|
72
|
39.8
|
|
T factor
|
|
1b
|
51
|
28.2
|
|
2
|
22
|
12.2
|
|
3
|
104
|
57.5
|
|
4
|
4
|
2.2
|
|
N factor
|
|
0
|
57
|
31.5
|
|
1
|
60
|
33.1
|
|
2
|
48
|
26.5
|
|
3
|
16
|
8.8
|
|
M factor
|
|
0
|
170
|
93.9
|
|
1
|
11
|
6.1
|
|
TNM stage
|
|
I
|
30
|
16.6
|
|
II
|
51
|
28.2
|
|
III
|
89
|
49.2
|
|
IV
|
11
|
6.1
|
|
Histological grade
|
|
W/D
|
38
|
21.0
|
|
M/D
|
120
|
66.3
|
|
P/D
|
23
|
12.7
|
|
Lymphatic invasion
|
|
Absent
|
89
|
49.2
|
|
Present
|
92
|
50.8
|
|
Venous invasion
|
|
Absent
|
36
|
19.9
|
|
Present
|
145
|
80.1
|
-
Abbreviations: W/D well differentiated, M/D moderately differentiated, P/D poorly differentiated, SD standard deviation
