Table 2 Multivariate Cox proportional hazard model for clinical variables associated with overall survival in non-small cell lung cancer patients
Clinical variable | Log hazard ratio | p value |
|---|---|---|
Age | 0.03 | < 0.005 |
Sex | ||
Male | 0.48 | < 0.005 |
Female | 0.00 | |
Histology | ||
Adenocarcinoma | − 0.19 | 0.12 |
Large cell carcinoma | − 0.05 | 0.72 |
Squamous cell carcinoma | − 0.70 | 0.04 |
NOS | 0.00 | |
T stage | ||
T1 | 0.00 | |
T2 | 0.10 | 0.22 |
T3 | 0.21 | 0.02 |
T4 | 0.28 | < 0.005 |
N stage | ||
N0 | 0.00 | |
N1 | 0.07 | 0.52 |
N2 | 0.20 | 0.05 |
N3 | 0.53 | < 0.005 |
M stage | ||
M0 | 0.00 | |
M1 | 0.39 | 0.63 |
Overall stage | ||
I | 0.00 | |
II | 0.58 | < 0.005 |
III | 1.09 | < 0.005 |
IV | 1.36 | 0.1 |
Smoking history | ||
Ever smoker | 0.00 | |
Non-smoker | − 0.06 | 0.13 |
Smoking amount | 0.00 | 0.54 |