Table 4.
Univariate and multivariate Cox regression analyses after propensity score matching to examine overall survival.
| Characteristics | Total(N) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
| Hazard ratio (95% CI) | P value | Hazard ratio (95% CI) | P value | ||
| pathological subtype | 118 | 1.546 (1.061-2.254) | 0.023 | 1.546 (1.061-2.254) | 0.023 |
| age | 118 | 1.035 (0.701-1.528) | 0.863 | ||
| gender | 118 | 1.074 (0.734-1.572) | 0.712 | ||
| Whether smoke | 118 | 1.020 (0.698-1.491) | 0.917 | ||
| KPS score | 118 | 1.234 (0.848-1.797) | 0.273 | ||
| Lymph node metastasis | 118 | 0.986 (0.647-1.502) | 0.946 | ||
| Whether brain metastases have occurred at the time of diagnosis | 118 | 0.757 (0.490-1.170) | 0.211 | ||
| Tumor location | 118 | 0.753 (0.436-1.302) | 0.310 | ||
| T stage | 118 | 0.983 (0.660-1.466) | 0.934 | ||
| N stage | 118 | 1.124 (0.765-1.652) | 0.551 | ||
| TNM stage | 118 | 0.855 (0.587-1.244) | 0.413 | ||
| Thoracic tumor radiation |
118 | 0.839 (0.516-1.364) | 0.478 | ||
| Thoracic tumor chemotherapy |
118 | 0.971 (0.635-1.487) | 0.894 | ||
| Thoracic tumor surgery |
118 | 1.014 (0.697-1.474) | 0.944 | ||
Bold values represent a valuable result.