Supplementary Table 7.
Univariate and multivariate Cox regression analyses of prognostic factors for overall survival in patients with only lung metastases.
| Features | Level | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
|
| |||||
| Hazard ratio (95% CI) | P-value | Hazard ratio (95% CI) | P-value | ||
| Age (years) | <65 | Ref | Ref | ||
| ≥65 | 1.259 (1.002–1.581) | 0.048 | 0.907 (0.712–1.155) | 0.427 | |
|
| |||||
| Race | White | Ref | – | – | |
| Black | 1.096 (0.849–1.415) | 0.480 | – | – | |
| Others | 1.070 (0.694–1.650) | 0.759 | – | – | |
|
| |||||
| Grade | G1/G2 | Ref | – | – | |
| G3/G4 | 0.800 (0.545–1.173) | 0.253 | – | – | |
|
| |||||
| Tumor size (cm) | ≤2 | Ref | – | – | |
| 2–5 | 1.016 (0.677–1.523) | 0.940 | – | – | |
| >5 | 1.104 (0.750–1.623) | 0.616 | – | – | |
|
| |||||
| Node stage | Node negative | Ref | – | – | |
| Node positive | 0.941 (0.723–1.225) | 0.653 | – | – | |
|
| |||||
| Surgery of the primary | No | Ref | Ref | ||
| Yes | 0.535 (0.424–0.673) | <0.001 | 0.561 (0.445–0.709) | <0.001 | |
|
| |||||
| Chemotherapy | No/unknown | Ref | Ref | ||
| Yes | 0.368 (0.290–0.468) | <0.001 | 0.374 (0.290–0.481) | <0.001 | |
|
| |||||
| Insurance | Yes | Ref | – | – | |
| No | 1.194 (0.721–1.977) | 0.492 | – | – | |
|
| |||||
| Marital status | Married | Ref | – | – | |
| Unmarried | 1.156 (0.911–1.466) | 0.233 | – | – | |