Table 3 Multivariable analysis of factors associated with OS and CSS of M-CLM
Variable | OS | CSS | ||
|---|---|---|---|---|
HR(95%CI) | P | HR(95%CI) | P | |
Race | ||||
 White |  | NS | 1 | 0.008 |
 Black |  |  | 0.701 (0.499–0.986) | 0.041 |
 Others |  |  | 0.362 (0.183–0.715) | 0.003 |
Surgery type | ||||
 No surgery | 1 | 0.004 | 1 | 0.017 |
 Surgery to primary or metastatic lesion | 0.478 (0.265–0.862) | 0.014 | 0.497 (0.267–0.924) | 0.027 |
 Both | 0.316 (0.163–0.609) | 0.001 | 0.350 (0.176–0.696) | 0.003 |
 Others | 1.080 (0.182–4.159) | 0.862 | 0.864 (0.177–4.218) | 0.856 |
pT stage | ||||
 0–2 |  | NS | 1 | 0.039 |
 3–4 |  |  | 0.513 (0.306–0.860) | 0.011 |
 Unknown |  |  | 0.785 (0.365–1.688) | 0.535 |