Table 2.
Univariate analysis and multivariate logistic analysis based on all variables for 1-year survival (training cohort).
| Characteristics | Univariate analysis | Multivariate logistic analysis | |
|---|---|---|---|
| p value | HR (95% CI) | p value | |
| Age | <0.001 | 1.015 (1.008–1.022) | <0.001 |
| Size | <0.001 | 1.008 (1.004–1.011) | <0.001 |
| Race | |||
| Black | <0.001 | Reference | |
| Other | 0.423 (0.311–0.575) | <0.001 | |
| White | 1.073 (0.851–1.352) | 0.552 | |
| Sex | |||
| Female | <0.001 | Reference | |
| Male | 1.265 (1.088–1.470) | <0.05 | |
| Primary site | |||
| Main bronchus | <0.05 | ||
| Overlapping lesion of lung | |||
| Lung, NOS | |||
| Lobe | |||
| Histologic type | |||
| ADC | <0.001 | Reference | |
| Others | 1.746 (1.351–2.255) | <0.001 | |
| SCC | 1.524 (1.246–1.865) | <0.001 | |
| Grade | |||
| I | <0.001 | Reference | |
| II | 1.037 (0.751–1.433) | 0.824 | |
| III | 1.653 (1.206-2.266) | <0.05 | |
| IV | 2.454 (1.292-4.659) | <0.05 | |
| Laterality | |||
| Left—origin of primary | 0.752 | ||
| Right—origin of primary | |||
| T stage | |||
| T1 | <0.001 | ||
| T2 | |||
| T3 | |||
| T4 | |||
| N stage | |||
| N0 | <0.001 | Reference | |
| N1 | 1.198 (0.901-1.592) | 0.215 | |
| N2 | 1.636 (1.351-1.982) | <0.001 | |
| N3 | 1.816 (1.443-2.284) | <0.001 | |
| M stage | |||
| M1a | 0.791 | ||
| M1b | |||
| Radiotherapy | |||
| No | 0.162 | ||
| Yes | |||
| Surgery | |||
| No | <0.001 | Reference | |
| Yes | 0.438 (0.311-0.617) | <0.001 | |
| Chemotherapy | |||
| No | <0.001 | Reference | |
| Yes | 0.211 (0.174 -0.256) | <0.001 | |
| Brain metastasis | |||
| No | 0.866 | ||
| Yes | |||
| Liver metastasis | |||
| No | <0.001 | Reference | |
| Yes | 1.948 (1.589-2.388) | <0.001 | |
| Lung metastasis | |||
| No | 0.949 | ||
| Yes | |||
| Insurance status | |||
| Insured | 0.732 | ||
| Uninsured | |||
| Marital status | |||
| Married | <0.001 | ||
| Unmarried | |||
ADC: adenocarcinoma; SCC: squamous cell carcinoma.