• Medicine · Oct 2023

    Red blood cell distribution width has a prognostic value for gastric cancer patients after gastrectomy: A pooling-up analysis.

    • Ze-Lin Wen, Xiong Zhou, and Dong Peng.
    • Department of Gastrointestinal Surgery, Yongchuan Affiliated Hospital of Chongqing Medical University, Chongqing, China.
    • Medicine (Baltimore). 2023 Oct 13; 102 (41): e35554e35554.

    AbstractOur study aims to investigate whether preoperative red blood cell distribution width (RDW) has a prognostic value for patients after gastric cancer (GC) surgery. We searched articles in 3 databases including PubMed, Embase, and the Cochrane Library on May 16th, 2022. The prognostic indicators included overall survival (OS) and disease-free survival (DFS). RevMan 5.3 (The Cochrane Collaboration, London, United Kingdom) and Stata V16.0 were used for statistical analysis. The Risk Of Bias In Non-randomized Studies-of Interventions tool was used to assess risk of bias of the included studies. Ten articles involving 2740 patients were included. RDW was a prognostic factor for OS (hazard ratio = 1.81, 95% confidence interval [CI] = 1.38-2.37, P < .01) and DFS (hazard ratio = 1.99, I2 = 26%, 95% CI = 1.53-2.58, P < .01) for GC patients. Meanwhile, there were some differences between the high RDW group and the low RDW group. We found more patients older than 60 years old (OR = 2.58, 95% CI = 1.08-6.13, P = .03), larger tumor diameter (OR = 1.95, 95% CI = 1.33-2.85, P < .01) and later T stage (OR = 1.91, 95% CI = 1.07-3.42, P = .03) in the high RDW group than the low RDW group. No statistic difference was found in gender, N stage, tumor node metastasis stage, vascular invasion, differentiation, and adjuvant therapy between the 2 groups (P > .05). RDW was an independent prognostic factor for both OS and DFS of GC patients. High RDW level were strongly associated with poor survival.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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