The Prognostic Value of De Ritis (AST/ALT) Ratio in Patients After Surgery for Urothelial Carcinoma: a Systematic Review and Meta-analysis
Overview
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Background: Recently, the De Ritis (AST/ALT) ratio has been considered as a prognostic biomarker for various malignancies. We conducted this systematic review and meta-analysis to explore the prognostic value of preoperative De Ritis ratio in patients after surgery for urothelial carcinoma.
Methods: We searched the online database Embase, PubMed and Cochrane Library up to October 2019. The hazard ratio (HR) and 95% confidence interval (CI) were extracted from the studies.
Results: A total of 8 studies incorporating 3949 patients were included in the quantitative synthesis. We observed that elevated preoperative De Ritis ratio is associated with inferior OS (HR = 1.97; 95% CI 1.70-2.28; P < 0.001), CSS (HR = 2.40; 95% CI 2.02-2.86; P < 0.001), RFS (HR = 1.31; 95% CI 1.11-1.54; P = 0.001), PFS (HR = 2.07; 95% CI 1.68-2.56; P < 0.001) and MFS (HR = 2.39; 95% CI 1.16-4.91; P = 0.018). Stratified by diseases, the elevated De Ritis ratio also served as an unfavorable factor.
Conclusion: The elevated preoperative De Ritis ratio is an unfavorable factor for patients with urothelial carcinoma. In patients with BC and UTUC, the elevated preoperative De Ritis ratio is also associated with poor prognosis. But De Ritis ratio must be validated in large, independent cohorts before it can be applied widely.
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