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Chinese Journal of Digestion and Medical Imageology(Electronic Edition) ›› 2025, Vol. 15 ›› Issue (06): 655-660. doi: 10.3877/cma.j.issn.2095-2015.2025.06.017

• Evidence-based Medicine • Previous Articles    

Relationship between the preoperative alanine aminotransferase/aspartate aminotransferase ratio and the prognosis of gastrointestinal tumors

Yanjing Liu1, Xiangjun Xie2, Zhi Wei3,()   

  1. 1School of Clinical Medicine, Shandong Second Medical University, Weifang 261000, China
    2Department of Gastroenterology, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), Qingdao 266011, China
    3Department of Gastroenterology, Shandong Second Provincial General Hospital, Jinan 250000, China
  • Received:2025-02-26 Online:2025-12-01 Published:2025-12-25
  • Contact: Zhi Wei

Abstract:

Objective

To investigate the prognostic value of the preoperative alanine aminotransferase to aspartate aminotransferase ratio (LSR) in gastrointestinal tumors.

Methods

A literature search was conducted in the China National Knowledge Infrastructure (CNKI), Wanfang, VIP, PubMed, Embase, and Web of Science databases from January 1, 2015 to January 1, 2025. Studies were screened, data analyzed, and literature quality evaluated according to inclusion and exclusion criteria. The hazard ratio (HR) and corresponding 95% confidence interval (CI) were used to assess the significance of LSR in gastrointestinal tumors.

Results

Nine studies were ultimately selected, all of which were evaluated as having high quality according to the Newcastle-Ottawa Scale. Meta-analysis results showed that LSR was not associated with overall survival in gastric cancer (HR=1.20, 95% CI: 0.88-1.63, P>0.05). However, subgroup analysis showed that LSR>1 was associated with significantly shorter overall survival in gastric cancer patients (HR=1.27, 95% CI: 1.05-1.53, P=0.01). LSR was positively correlated with overall survival in liver cancer patients (HR=0.57, 95% CI: 0.52-0.62, P<0.000 01), and there was no statistically significant association between LSR and overall survival in colorectal cancer patients (HR=1.03, 95% CI: 0.32-3.38, P>0.05), but heterogeneity was high in all cases.

Conclusion

LSR was significantly associated with overall survival in patients with liver cancer and gastric cancer and may serve as a potential indicator for assessing the prognosis of gastrointestinal tumors.

Key words: Digestive tumors, Alanine aminotransferase/aspartate aminotransferase ratio, Prognosis

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