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Abstract
Background
Several studies have highlighted the prognostic value of the albumin–globulin ratio (AGR) in various kinds of cancers. Our study was designed to assess whether AGR is associated with the prognosis of gastric cancer patients.
Patients and methods
A total of 507 gastric cancer patients between 2005 and 2012 were included. The AGR was defined as the ratio of serum albumin to nonalbumin and calculated by the equation: albumin/(total protein − albumin). Furthermore, AGR was divided into two groups (low and high) using the X-tile software. Survival analysis stratified by AGR groups was performed.
Results
The mean survival time for each group was 36.62 months (95% CI: 33.92–39.32) for the low AGR group and 48.95 months (95% CI: 41.93–55.96, P=0.003) for the high AGR group. Patients in the high group (AGR ≥1.93) had a significantly lower 5-year mortality in comparison with the low group (AGR <1.93) (52.4% vs 78.5%, P=0.003). The high AGR group showed obviously better overall survival than the low AGR group according to Kaplan–Meier curves (P=0.003). Multivariate analysis showed that AGR was an independent predictive factor of prognosis in gastric patients.
Conclusion
Pretreatment AGR is a significant and independent predictive factor of prognosis.
Disclosure
The authors report no conflicts of interest in this work.