|
Variable
|
Importance
|
Standard importance
|
|---|
|
Tumor extension
|
0.045
|
100.0%
|
|
N stage
|
0.016
|
35.5%
|
|
NPLNs
|
0.015
|
33.1%
|
|
Histology
|
0.007
|
15.4%
|
|
Surgery type
|
0.007
|
14.9%
|
|
Age
|
0.005
|
11.5%
|
|
Gender
|
0.005
|
10.6%
|
|
Histological grade
|
0.004
|
9.8%
|
|
Primary site
|
0.002
|
4.9%
|
|
Marital status
|
0.002
|
3.6%
|
|
NELNs
|
0.001
|
2.8%
|
|
Tumor size
|
0.001
|
2.2%
|
|
Race
|
0.001
|
1.4%
|
|
Laterality
|
0.000
|
1.0%
|
- Abbreviations: NPLNs Number of positive regional lymph nodes, NELNs Number of examined regional lymph nodes, CRT Classification regression tree
- Method: CRT
- Y: survival status
- a According to the eighth edition AJCC/UICC stage classification for NSCLC
