| Variable |
n |
HR |
95% CI |
p-value |
| Primary site of lung cancer
Upper lobe |
17 |
3.21 |
0.23-43.81 |
0.3827 |
| Location of primary mass
Subpleural area |
17 |
4.17 |
0.30-57.22 |
0.2847 |
| Serum KL-6 at diagnosis
higher than the normal range (≥500U/ml) |
17 |
12.47 |
1.21-128.36 |
0.0339 |
| Serum LD at diagnosis
higher than the normal range (>230IU/l) |
17 |
1.81 |
0.18-17.97 |
0.6110 |
|
| KL-6: Krebs von den Lungen-6; LD: Lactate Dehydrogenase; HR: Hazard Ratio;
CI: Confidence Interval. |
| Table 3: Multivariate Cox proportional hazards regression analysis for the risk of
death in the LC+CPFE group. |
