Maximum tumor diameter (cm, mean ± SD)
|
2.83 ± 1.35
|
2.72 ± 1.20
|
2.89 ± 1.42
|
0.530
|
T stage [cases (%)]
|
0.181*
|
1a
|
70 (23.3)
|
24 (22.0)
|
46 (24.0)
| |
1b
|
46 (15.3)
|
11 (10.1)
|
35 (18.2)
| |
2a
|
139 (46.2)
|
58 (53.2)
|
81 (42.2)
| |
2b
|
20 (6.6)
|
5 (4.6)
|
15 (7.8)
| |
3
|
23 (7.6)
|
9 (8.3)
|
14 (7.3)
| |
4
|
3 (1.0)
|
2 (1.8)
|
1 (0.5)
| |
Incomplete fissure [cases (%)]
|
94 (31.2)
|
29 (26.6)
|
65 (33.9)
|
0.192
|
Intrathoracic adhesion [cases (%)]
|
84 (27.9)
|
30 (27.5)
|
54 (28.1)
|
0.911
|
Number of dissected LN stations (mean ± SD)
|
7.13 ± 1.98
|
7.8 ± 1.92
|
6.74 ± 1.91
|
<0.001
|
Number of dissected LNs (mean ± SD)
|
21.52 ± 9.42
|
22.95 ± 9.13
|
20.71 ± 9.51
|
0.031
|