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J Shahrekord Univ Med Sci. Inpress.
doi: 10.34172/jsums.751
  Abstract View: 31

Original Article

Collective neutrophil-to-lymphocyte ratio and platelet-to- lymphocyte ratio symbolizes a new prognostic factor in the survival of gastric cancer patients

Sareh Mohammadi ORCID logo, Zeinab Veisi ORCID logo, Mohammad Moazeni ORCID logo, Soleiman Kheiri ORCID logo, Zahra Lorigooini ORCID logo, Roholah Masomi* ORCID logo
*Corresponding Author: Email: masomi51@gmail.com

Abstract

Background and aims: Due to the high prevalence of gastric cancer and the lack of appropriate prognostic factors, most patients are diagnosed at advanced stages of the disease. Therefore, this study aimed to determine the appropriate prognostic factor investigated investigate the relationship of neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) in gastric cancer patients. This study aims to investigate the relationship of two prognostic factors NLR and PLR to patient survival in gastric cancer patients diagnosed before surgery. Methods: This retrospective study was performed on all gastric cancer patients referred to Kashani Hospital of Shahrekord (Chaharmahal and Bakhtiari province) in 2011-2016. Demographic and biological variables such as NLR and PLR were evaluated. Patient survival was calculated by subtracting the date at disease diagnosis (using endoscopy) from the date at death. Data was analyzed by SPSS. Results: In 100 studied patients the mean age of patients was 63.79 ± 15.03 (range: 10-92) years. 76% of patients were male and the rest were female. The duration of chronic gastrointestinal disease before cancer diagnosis ranged from one year to 12 years (mean: 3.3 ± 2.06 years). The mean values of inflammatory markers for NLR was 3.37 ± 2.78 and the mean PLR was 147.13 ± 78.93. Patient survival after surgery until death or last follow-up ranged from 0.47 to 63.1 months (mean: 18.29 ± 13.53 month). The mean survival in the survived and died patients was 16.89 ± 11.44 months and 18.66 ± 14.07 months, respectively. Only NLR had significant effect on survival (P < 0.001) and PLR had no significant effect on survival (P = 0.646). Conclusion: With the increase of NLR by one point, the hazard rate of gastric cancer patients after surgery increased by 19%. Actually, the survival rate of gastric cancer patients after surgery decreased significantly with increasing NLR.
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Submitted: 13 Jul 2022
Revision: 05 Oct 2022
Accepted: 08 Oct 2022
ePublished: 15 Apr 2024
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