Research Article
Preoperative Neutrophil-to-Lymphocyte Ratio Was a Predictor of Overall Survival in Small Renal Cell Carcinoma: An Analysis of 384 Consecutive Patients
Table 2
Univariate Cox proportional hazards regression analysis of clinical and pathological characteristics.
| | Overall survival | Cancer-specific survival | HR | 95% CI | value | HR | 95% CI | value |
| Gender | | | | | | | Male | 1 | | | 1 | | | Female | 0.576 | 0.214–1.553 | 0.275 | 1.041 | 0.260–4.162 | 0.955 | Age (years) | | | | | | | <60 | 1 | | | 1 | | | ≥60 | 6.763 | 2.299–19.891 | <0.001 | 11.363 | 1.421–90.865 | 0.022 | Histologic subtype | | | | | | | Clear cell RCC | 1 | | | 1 | | | Non-clear-cell RCC | 0.425 | 0.057–3.159 | 0.403 | 1.137 | 0.142–9.105 | 0.904 | Multiple primary neoplasms | | | | | | | No | 1 | | | 1 | | | Yes | 9.398 | 4.116–21.460 | <0.001 | 6.549 | 1.637–26.192 | 0.008 | Type of surgery | | | | | | | Partial nephrectomy | 1 | | | 1 | | | Radical nephrectomy | 1.904 | 0.704–5.148 | 0.205 | 1.911 | 0.394–9.269 | 0.421 | Surgical approach | | | | | | | Laparoscopic surgery | 1 | | | 1 | | | Open surgery | 1.676 | 0.718–3.913 | 0.232 | 1.096 | 0.261–4.602 | 0.900 | IFN-α/IL-2 therapy | | | | | | | No | 1 | | | 1 | | | Yes | 1.495 | 0.624–3.583 | 0.368 | 1.445 | 0.353–5.922 | 0.609 | NLR | | | | | | | <1.97 | 1 | | | 1 | | | ≥1.97 | 4.164 | 1.545–11.226 | 0.005 | 3.950 | 0.819–19.050 | 0.087 |
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Abbreviation: NLR, neutrophil-to-lymphocyte ratio. HR, hazard ratio. CI, confidence interval.
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