|
Variables
|
Number of patients
|
5-year survival (%)
|
95 % CI
|
p value
|
|---|
|
Age
|
|
≤68
|
279
|
59.5
|
56.2–63.0
|
<0.001
|
|
>68
|
250
|
46.4
|
43.6–49.4
| |
|
Sex
|
|
Male
|
377
|
50.4
|
47.9–53.0
|
0.016
|
|
Female
|
152
|
60.5
|
56.0–65.5
| |
|
Histology
|
|
Adenocarcinoma
|
251
|
50.2
|
47.2–53.4
|
0.1
|
|
Other
|
278
|
56.1
|
52.9–59.5
| |
|
Surgery
|
|
Lobectomy
|
457
|
55.1
|
52.7–57.7
|
0.01
|
|
Pneumonectomy
|
72
|
41.7
|
37.1–46.8
| |
|
pT
|
|
pT1a
|
72
|
72.2
|
65.0–80.2
|
<0.001
|
|
pT1b
|
69
|
78.3
|
70.9–86.4
| |
|
pT2a
|
219
|
54.8
|
51.3–58.5
| |
|
pT2b
|
69
|
46.4
|
41.1–52.3
| |
|
pT3
|
93
|
23.7
|
21.7–25.8
| |
|
pT4
|
7
|
28.6
|
18.8–43.4
| |
|
CLN
|
|
CLN0
|
377
|
62
|
59.1–65.2
|
p < 0.001
|
|
CLN1
|
62
|
42
|
37.0–47.5
| |
|
CLN2
|
90
|
24
|
22.3–26.7
| |
|
NLN
|
|
NLN0
|
377
|
62
|
59.1–65.2
|
p < 0.001
|
|
NLN1
|
70
|
39
|
34.3–43.3
| |
|
NLN2
|
82
|
26
|
23.3–28.2
| |
|
RLN
|
|
RLN0
|
377
|
62
|
59.1–65.2
|
p < 0.001
|
|
RLN1
|
76
|
37
|
33.0–41.1
| |
|
RLN2
|
76
|
26
|
23.8–29.1
| |
-
CI confidence interval, CLN current nodal classification, NLN new classification based on the number of metastatic lymph nodes, RLN new classification based on the ratio of metastatic to resected lymph nodes
