Table 3. 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 | 1.338 (0.693–2.581) | 0.386 |
| Age | 1.007 (0.983–1.033) | 0.565 | 0.986 (0.960–1.013) | 0.312 |
| Symptomatic | 2.538 (1.234–5.219) | 0.011 | 0.981 (0.442–2.181) | 0.963 |
| Body mass index | 0.911 (0.823–1.008) | 0.071 | 0.982 (0.874–1.102) | 0.753 |
| Tumor size | 1.471 (1.334–1.621) | 0.000 | 1.252 (1.089–1.441) | 0.002 |
| pT | 2.433 (1.860–3.182) | 0.000 | 1.782 (1.193–2.662) | 0.005 |
| Fuhrman grade | 2.496 (1.578–3.947) | 0.000 | 1.900 (1.139–3.171) | 0.014 |
| pNLR ≥1.7 | 7.399 (2.291–23.899) | 0.001 | 3.944 (1.147–13.560) | 0.029 |
| pPLR ≥160 | 2.799 (1.549–5.058) | 0.001 | 1.277 (0.619–2.634) | 0.508 |
pNLR, preoperative neutrophil-to-lymphocyte ratio; pPLR, preoperative platelet-to-lymphocyte ratio; HR, hazard ratio; CI, confidence interval.