Prognostic significance of innovative inflammation-nutrition biomarker score in patients with colorectal cancer

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Abstract

A new index, inflammation-nutrition biomarker score (INS), based on host factors, including lymphocyte to C-reactive protein ratio, C-reactive protein to albumin ratio advanced lung cancer inflammation index, and nutritional risk index, correlated with post-operative survival time independent of the tumor, node, metastasis (TNM) stage, in a cohort of patients with various types of malignancies. Therefore, this study aimed to evaluate the prognostic value of INS in patients with colorectal cancer who underwent curative resection. We retrospectively evaluated 476 consecutive patients who underwent curative surgery for stages I–III colorectal cancer. Based on the INS definition, 240, 132, 57, 23, and 24 patients had a score of 0, 1, 2, 3, and 4, respectively. Patients with INS of 0 and 1 were classified into the low-INS group, and those with INS of 2, 3, and 4 were classified into the high-INS group. The relapse-free and overall survival rates were significantly worse in the high-INS group than in the low-INS group. Furthermore, multivariate analysis of the prognostic factors indicated that INS is an independent prognostic factor for poor relapse-free and overall survival. The combined evaluation of INS and TNM stages may allow for more accurate prognostication.

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