Abstract
The data on the prognostic significance of red cell distribution width (RDW) in gallbladder cancers is sparse, especially in the potentially resectable cohort of patients. The aim was to assess the prognostic significance of RDW in gallbladder cancer patients undergoing surgery. Retrospective analysis of prospectively maintained database of gallbladder cancer patients undergoing surgery at a tertiary cancer institute from 2010 till 2018. Baseline values were collected. Patients were grouped as per the median RDW value and compared. Survival analysis was done using the Kaplan Meier method. A total of 605 patients were included. The median follow up period was 23months (range: 6-120months). The median value of RDW was 14. Comparison between RDW > 14 and RDW < 14 groups showed no difference in outcomes. RDW did not predict overall survival or recurrences. However, in combined stages II and III, a statistically significant improvement in OS and DFS (p < 0.001) was noted in the RDW < 14 group. RDW did not predict recurrence or survival in potentially resectable gallbladder cancer patients. However, in the subset of stages II and III in combination, lower RDW value was associated with better outcomes. More prospective studies are needed to conclusively establish the prognostic value of RDW.
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