We investigated the prognostic significance of the neutrophil-to-lymphocyte ratio on overall survival and tumor stage in non-metastatic renal cell carcinoma.
Methods
The records of 229 patients with non-metastatic RCC (T1-4N0M0) were retrospectively reviewed. Patients were classified as group 1 (T1 + T2) and group 2 (T3 + T4). The significance of the differences between the groups in terms of averages and median values were investigated with Student's t-test and Mann-Whitney U test, respectively.
Results
Patients were divided in two as group 1 (T1 + T2) and group 2 (T3 + T4), consisting of 208 and 21 patients, respectively. Between the two groups, the neutrophil-to-lymphocyte ratio (NLR) was found as 2.83 ± 2.15 and 4.79 ± 4.65, respectively (p = 0.02). We found that NLR had a distinctive feature at a cut-off value of 2.9.
Discussion
NLR was higher in local advanced tumors. We observed that the cut-off value of NLR is only associated with tumor volume.
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