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The Prognostic Value of Preoperative Geriatric Nutritional Risk Index in Patients with Pancreatic Ductal Adenocarcinoma

Authors Hu SP, Chen L, Lin CY, Lin WH, Fang FQ, Tu MY

Received 31 August 2019

Accepted for publication 26 December 2019

Published 16 January 2020 Volume 2020:12 Pages 385—395

DOI https://doi.org/10.2147/CMAR.S229341

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 4

Editor who approved publication: Dr Chien-Feng Li


Si-Pin Hu, 1 Lei Chen, 2 Chen-Yi Lin, 3 Wei-Hang Lin, 2 Fu-Quan Fang, 4 Meng-Yun Tu 5

1Department of Vascular Surgery, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, People’s Republic of China; 2Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China; 3Department of Hepatobiliary Surgery, Ruian People’s Hospital, Wenzhou, Zhejiang, People’s Republic of China; 4Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China; 5Department of Clinical Laboratory, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou, Zhejiang, People’s Republic of China

Correspondence: Meng-Yun Tu
Department of Clinical Laboratory, Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou, Zhejiang 310006, People’s Republic of China
Tel +86 571 5816 2261
Email appletumengyun@sina.cn

Purpose: Patients with malignancy are more likely to develop nutritional problems. The Geriatric Nutritional Risk Index (GNRI) is a new prognostic index for evaluating nutritional status. The objective of this study was to assess if preoperative GNRI could be a prognostic factor for patients with pancreatic ductal adenocarcinoma (PDAC) who underwent radical surgery.
Patients and Methods: This study included 282 consecutive patients with incident pancreatic ductal adenocarcinoma who were treated with radical surgery. The Cox regression analysis was performed to calculate the overall survival (OS) and assess the prognostic factors. A nomogram was developed based on the results of the multivariate analysis, and the predictive accuracy of the nomogram was assessed.
Results: Among the 282 patients, there are 117 males and 165 females. The patients had a mean age of 58.7 ± 13.5 years, with the median follow-up time of 72.9 months (interquartile range, 0.7 to 115.2 months). They were classified into abnormal (GNRI ≤ 98) and normal (GNRI > 98) GNRI groups, respectively. Multivariate Cox analysis showed that age (HR = 1.023), drinking history (HR = 1.453), tumor grade (HR = 1.633), TNM stage (HR = 1.921), and GNRI (HR = 1.757) were significantly associated with OS. Based on the above variables, the nomogram was established. The concordance index (C-index) and time-dependent receiver operating characteristics curve (tdROC) showed the nomogram was superior to TNM grade and tumor grade in predicting the OS of patients with PDAC.
Conclusion: GNRI could be a useful prognostic indicator in patients with PDAC who received surgery. Based on the GNRI and the other clinical indicators, we developed a nomogram model that can provide an accurate estimation of OS in patients with PDAC after radical surgery.

Keywords: pancreatic ductal adenocarcinoma, the geriatric nutritional risk index, overall survival, nomogram

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