Table 7.
Cox regression analysis: overall survival
| Variables | Univariate |
Multivariate |
||||
|---|---|---|---|---|---|---|
| P | OR | 95% CI | P | OR | 95% CI | |
| KPS score | .031 | 0.965 | 0.935-0.997 | .004 | 0.944 | 0.908-1.000 |
| Total number of lymph nodes removed | .650 | 1.005 | 0.983-1.028 | .003 | 1.071 | 1.024-1.120 |
| Number of metastatic lymph nodes | .412 | 1.010 | 0.986-1.034 | .004 | 0.893 | 0.827-0.965 |
| Lymph node ratio | .105 | 2.257 | 0.843-6.042 | .002 | 54.151 | 4.500-651.567 |
| Surgical margin | .046 | 0.496 | 0.249-0.988 | .282 | 0.626 | 0.267-1.469 |
| Neoadjuvant CT history | .001 | 0.266 | 0.119-0.596 | .001 | 0.223 | 0.088-0.561 |
| Pretreatment platelet | .271 | 0.998 | 0.995-1.002 | .072 | 0.996 | 0.993-1.000 |
Bold indicates statistical significance.