Table 2. Cox proportional hazard analysis of prognostic factors for recurrence-free survival in patients undergoing surgery for non-metastatic renal cell carcinoma.
| Factor | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (95% CI) | p-value | HR (95% CI) | p-value | |
| Sex, male | 0.869 (0.466–1.621) | 0.659 | 1.219 (0.629–2.360) | 0.558 |
| Age | 1.007 (0.983–1.033) | 0.565 | 0.994 (0.968–1.020) | 0.622 |
| Symptomatic | 2.538 (1.234–5.219) | 0.011 | 0.999 (0.450–2.217) | 0.998 |
| Body mass index | 0.911 (0.823–1.008) | 0.071 | 1.017 (0.905–1.142) | 0.778 |
| Tumor size | 1.471 (1.334–1.621) | 0.000 | 1.284 (1.112–1.481) | 0.001 |
| pT | 2.433 (1.860–3.182) | 0.000 | 1.808 (1.221–2.679) | 0.003 |
| Fuhrman grade | 2.496 (1.578–3.947) | 0.000 | 1.600 (0.962–2.661) | 0.070 |
| pNLR | 1.114 (1.012–1.226) | 0.027 | 0.962 (0.817–1.133) | 0.642 |
| pPLR | 1.010 (1.006–1.014) | 0.000 | 1.006 (1.002–1.011) | 0.011 |
pNLR, preoperative neutrophil-to-lymphocyte ratio; pPLR, preoperative platelet-to-lymphocyte ratio; HR, hazard ratio; CI, confidence interval.