Multivariate survival analysis of patients with lung cancer based on Cox's hazard regression model
| Variable | Hazard ratio | 95% CI | p Value |
| Proportion of CD4+ PLY | 0.0013 | ||
| ⩽30% | 0.145 | 0.045 to 0.47 | |
| >30% | 1.000 | ||
| Proportion of CD8+ PLY | 0.841 | ||
| ⩾35% | 0.294 | 0.073 to 1.179 | |
| <35% | 1.000 | ||
| p factor | 0.1097 | ||
| 0 | 4.223 | 0.205 to 87.022 | |
| 1 | 6.166 | 0.311 to 122.389 | |
| 2 | 31.094 | 1.193 to 810.683 | |
| 3 | 1.000 | ||
| Nodal status | 0.0087 | ||
| 0 | 0.044 | 0.006 to 0.339 | |
| 1 | 0.164 | 0.015 to 1.806 | |
| 2 | 0.199 | 0.035 to 1.13 | |
| 3 | 1.000 | ||
| Clinical stage | 0.0635 | ||
| IA | 0.025 | 0.001 to 0.597 | |
| IB | 0.018 | 0.001 to 0.481 | |
| IIA | 0.133 | 0.004 to 4.685 | |
| IIB | 0.114 | 0.006 to 2.2 | |
| IIIA | 0.102 | 0.005 to 1.998 | |
| IIIB | 1.000 | ||
PLY = pleural cavity.