Table 2.
Cox proportional hazards model analysis of variables affecting survival in NSCLC patients
| Variables | Categories |
Univariate analysis |
Multivariate analysis |
||
|---|---|---|---|---|---|
| HR (95% CI) | P -value | HR (95% CI) | P -value | ||
| Age (years) |
≥60/<60 |
1.330 (0.88-2.01) |
0.178 |
|
|
| Sex |
Male/female |
0.835 (0.51-1.37) |
0.473 |
|
|
| Smoking history |
Smoking/Non-smoking |
0.887 (0.58-1.37) |
0.588 |
|
|
| Histological type |
Squamous/adenocarcinoma |
1.341 (0.89-2.02) |
0.160 |
|
|
| Grade of differentiation |
Poor/well + moderate |
2.578 (1.70-3.90) |
<0.001 |
1.814 (1.19-2.78) |
0.006 |
| pTNM stage |
I/II/ III/IV |
2.331 (1.79-3.05) |
<0.001 |
2.132 (1.61-2.82) |
<0.001 |
| NOK expression | Positive/negative | 2.121 (1.25-3.59) | 0.005 | 1.731 (1.02-2.94) | 0.043 |
HR, hazard ratio; CI, confidence interval.