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Predictive Value of IL-6 Combined with NLR in Inflammation and Cancer.

Chunjue YuanYunbao PanYong Ning
Published in: Cancer investigation (2021)
The strong association between inflammation and cancer is reflected by the high interleukin-6 (IL-6) levels in the tumor microenvironment, where it promotes carcinogenesis by regulating all hallmarks of cancer and multiple signaling pathways. In this study, we investigated the prognostic value of IL-6 and other clinical indexes in inflammatory and cancer patients. All the patients were divided into the inflammation group (n = 400) and the cancer group (n = 672) composed of hematological malignancies group (n = 338) and solid tumors group (n = 334). Continuous variables were measured by one-way ANOVA and t-test, and the independent risk factors for carcinogenesis were determined by multivariate logistic regression analysis. The receiver operating characteristic (ROC) curves subsequently performed the predictive value of significant serological parameters and the Corheatmaps illustrated the correlation of these parameters in every case. Our retrospective study revealed that various serological indexes could reflect carcinogenesis in inflammatory patients, as significant differences existed in many indexes between them. It was notable that indicator composed of IL-6 and neutrophils/lymphocytes ratio (NLR) occupied the superior position of Area Under Curve (AUC) values in cancer cases, especially in patients with solid tumors (AUC = 0.85). The newly-found indicator could also be referred as an independent risk factor, which provided us with novel clues on the investigation of more reliable and affordable clinical indexes in tumor prediction.
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