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Background: The clinicopathological and prognostic relevance of neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR), and monocyte/lymphocyte ratio (MLR) in non-muscular invasive bladder cancer (NMIBC) was investigated.
Methods: All patients who underwent transurethral resection of bladder tumor (TURBT) and postoperative intravesical chemotherapy had their peripheral blood levels of NLR, PLR, and MLR quantified. The preoperative peripheral blood levels of NLR, PLR, and MLR were analyzed in patients with G1, G2, and G3 NMIBC. A total of 208 patients was divided into poor prognosis (PP, with recurrence, n=51) and good prognosis (GP, no recurrence, n=157) groups, according to whether the recurrence of NMIBC was observed at 1-year follow-up after treatment. Univariate and multivariate logistic regression analyses were performed to evaluate the prognostic factors in NMIBC. In addition, receiver operating characteristic (ROC) curves were used to analyze the prognostic performance of NLR, PLR, and MLR in NMIBC.
Results: The preoperative peripheral blood level of PLR was significantly increased in patients with G3 NMIBC compared with that in patients with G1 ( < 0.05) and G2 NMIBC ( < 0.05). The results of univariate and multivariate logistic regression analyses showed that the tumor diameter, differentiation grade, and preoperative peripheral blood levels of NLR, PLR, and MLR were independent prognostic factors for NMIBC recurrence ( < 0.05). Compared with the NMIBC patients without recurrence, 3.490%, 177.575% and 3.175% were determined as the optimum prognostic cutoffs for NLR, PLR, and MLR, respectively. ROC curve was used to evaluate the sensitivity, specificity, and area under the curve (AUC) of NLR, PLR, MLR, and combinations. In contrast to NLR, PLR, or MLR, the combination of NLR, PLR, and MLR (AUC 0.758, sensitivity 66.70%, specificity 89.80%,Youden index 0.565) improved the prognostic performance in the discrimination of NMIBC patients with recurrence from thosewithout recurrence.
Conclusions: The preoperative peripheral blood levels of NLR, PLR, and MLR, which were closely related to the grade and recurrence of NMIBC, were easy to detect and inexpensive. Moreover, these three factors showed the potential for auxiliary prognostic evaluation of NMIBC, wherein the combination than individual values exhibited better prognostic performance.
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| http://dx.doi.org/10.56434/j.arch.esp.urol.20227505.68 | DOI Listing |
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