Table 1 General information of patients
A | B | C | D | E | P | |
|---|---|---|---|---|---|---|
gender (male/female) | 9/3 | 8/4 | 10/2 | 10/2 | 11/1 | > 0.05 |
Age (years) | 61.2 ± 5.4 | 57.3 ± 4.3 | 58.6 ± 4.6 | 57.5 ± 6.4 | 60.8 ± 3.7 | > 0.05 |
Tumor location | > 0.05 | |||||
upper | 1 | 0 | 2 | 2 | 1 | |
middle | 8 | 9 | 7 | 8 | 7 | |
lower | 3 | 3 | 3 | 2 | 4 | |
Clinical stages | > 0.05 | |||||
I | 3 | 4 | 5 | 4 | 3 | |
II | 6 | 5 | 4 | 6 | 5 | |
III | 3 | 3 | 3 | 2 | 4 | |
IV | 0 | 0 | 0 | 0 | 0 | |
hypertension | 3 | 1 | 3 | 2 | 2 | > 0.05 |
diabetes | 2 | 3 | 1 | 2 | 2 | > 0.05 |
Smoking history | 5 | 4 | 6 | 6 | 7 | > 0.05 |