Chao Cai, Cheng Chen, Xiuli Lin, Huihui Zhang, Mingming Shi, Xiaolei Chen, Weisheng Chen, Didi Chen

An analysis of the relationship of triglyceride glucose index with gastric cancer prognosis: A retrospective study

  • Cancer Research
  • Radiology, Nuclear Medicine and imaging
  • Oncology

AbstractAims/IntroductionGastric cancer, one of the most common malignant tumors worldwide, is affected by insulin resistance. The triglyceride glucose (TYG) index is considered a surrogate indicator of insulin resistance; however, its prognostic value in patients with gastric cancer remains obscure. This study aimed to determine whether the TYG index could predict the long‐term prognosis of patients with gastric cancer after radical resection gastrectomy.Materials and MethodsWe retrospectively analyzed patients with gastric cancer who underwent radical resection gastrectomy. The preoperative TYG index was calculated using the patients' laboratory data. Patients were divided into two groups based on a high or low TYG index. We observed overall survival and evaluated the clinical application value of the index using Cox proportional hazards regression to calculate independent parameters. A prediction model was also established.ResultsIn total, 822 patients with gastric cancer were included. The high and low TYG index groups comprised 353 and 469 patients, respectively. The overall survival time was significantly longer in the high‐index group than in the low‐index group. In the multivariate analysis, TYG index, preoperative age, surgical procedure, tumor node metastasis (TNM) stage, N stage, and postoperative complications (all p < 0.01) were considered independent prognostic predictors. Based on the multivariate analysis, the riglyceride glucose (TYG) index hazard ratio was 0.70 (95% confidence interval, 0.54–0.89, p = 0.004).ConclusionsWe established a model with a high clinical application value and clinical practice relevance to predict the prognosis of gastric cancer. In this model, TYG was an independent protective factor for gastric cancer prognosis.

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