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We aimed to assess the prognostic and predictive significance of pretreatment Geriatric Nutritional Risk Index (GNRI) and Prognostic Nutritional Index (PNI) measurements on advanced non-small cell lung cancer (NSCLC) patients treated with first-line therapy. Patients with advanced NSCLC treated between February 2014 and August 2020 were retrospectively analyzed. The optimal cutoff points for GNRI and PNI were measured with receiver operating characteristic (ROC) curve analysis according to overall survival (OS). The predictive factors for progression-free survival (PFS) and OS were evaluated with univariate and multivariate analyses via the Cox hazards regression. A total of 160 patients were included in the study. Significant differences between the low and high-GNRI or PNI groups were found regarding ECOG-PS. The low-GNRI and low-PNI groups had significantly shorter PFS and OS than the high-GNRI and high-PNI groups. A multivariate analysis using a Cox regression model revealed that the high-GNRI group was an independent prognostic factor of OS and PFS, and the PNI group was an independent prognostic factor of OS. Pretreatment GNRI and PNI may therefore be a potential effective predictor of the survival of advanced NSCLC patients undergoing first-line treatment.

The Geriatric Nutritional Risk Index and Prognostic Nutritional Index Predict the Overall Survival of Advanced Non-Small Cell Lung Cancer Patients