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Proportional Correlation Between Systemic Inflammation Response Index and Gastric Cancer Recurrence Time: A
Kyungryun In1, Sunhyung Kang1, Hyunseok Lee1
1Division of Gastroenterology, Department of Internal Medicine, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon 35015, Republic of Korea.
Background:
Disease recurrence is the primary cause of death in patients with gastric cancer who have undergone complete surgical resection. No prognostic factors for recurrence, other than the Tumor, Node, and Metastasis stage, have been established. However, recurrence rates differ even within the same Tumor, Node, and Metastasis stage. Therefore, we aimed to develop a new prognostic confidence measure for gastric cancer recurrence and demonstrate its practical utility.
Methods:
This was a retrospective study based on the medical records of the Chungnam National University Hospital, Republic of Korea. We enrolled patients diagnosed with stage II/III gastric cancer who underwent complete surgical resection and adjuvant chemotherapy over the past 12 years. The association between seven variables, including the systemic inflammation response index (SIRI) and gastric cancer recurrence, was analyzed.
Results:
A total of 296 patients were enrolled in this study. Although other factors did not exhibit significant correlations, SIRI showed a significant positive correlation with gastric cancer recurrence risk, confirmed through Cox regression testing (hazard ratio, 1.231; 95% confidence interval, 1.04-1.45). Linear regression analysis revealed a significant association between higher SIRI values and shorter recurrence time (p = 0.044; β = -0.225).
Conclusions:
In this study, other than SIRI, effective prognostic factors related to gastric cancer recurrence were not verified, thus indicating SIRI as a potential independent prognostic factor.
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