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neo_2019_190401N284

Title: Low pretreatment PNI correlates with worse survival in patients with stage III/IV NSCLC who received chemotherapy
Author: Y. Shen, H. Li, Z.Q. Yuan, M.Y. Ren, S.L. Yu, Y.D. Liao, J.J. Cai, C. Liu, B.C. Chen, A.H. Wu, G.F. Li, L. Xie

Abstract: The aim of this study was to investigate the prognostic value of the prognostic nutritional index (PNI) on the long-term survival of non-small cell lung cancer (NSCLC) patients who received platinum-based chemotherapy. Data on nutritional parameters and clinicopathological characteristics [e.g., albumin, total protein, body mass index (BMI), eastern cooperative oncology group (ECOG) performance status, stage, pathology, treatment strategy] were analyzed and retrospectively correlated with overall survival (OS). The PNI was calculated based on the concentration of albumin and lymphocyte count [10 × albumin, (g/dl) + 0.005 × lymphocyte (count/mm3)]. A receiver operating characteristic curve (ROC) analysis was used to find the optimal cut-off value of PNI. Univariate and multivariate analyses were used to evaluate the prognostic value of PNI. A total of 186 patients met the inclusion criteria. The optimal cut-off value for PNI was 50.45. Compared with the parameters of the low PNI group (n = 76), high PNI was significantly associated with adenocarcinoma type, stage III, better ECOG and comprehensive treatment modality. The univariate analysis demonstrated that OS was superior when PNI ≥ 50.45, albumin ≥ 35 g/l, platelet-lymphocyte ratio (PLR) ≥ 163, and ECOG < 2 and when the patient received a comprehensive treatment modality. In the multivariate analysis, PNI, TNM stage and treatment strategy were identified as independent predictors of survival in this study.
This retrospective study demonstrated that a low PNI was related to worse overall survival in patients with stage III/IV NSCLC who received platinum-based chemotherapy. These data provided a conceptual basis for further research on the clinical application of the PNI index for patients receiving chemotherapy for intermediate- and advanced-stage NSCLC.

Keywords: prognostic nutrition index, survival, non-small cell lung cancer, platinum-based chemotherapy
Published online: 17-Dec-2019
Year: , Volume: , Issue: Page From: , Page To:
doi:10.4149/neo_2019_190401N284


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