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 |