The relationship between hemoglobin-RDW ratio and clinical outcomes in patients with advanced pancreas cancer

A. İlhan, F. Gurler, F. Yilmaz, E. Eraslan, M. Dogan

Department of Medical Oncology, University of Health Sciences Ankara, Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey. ayse_ilhan85@hotmail.com

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• Gastroenterology
• Oncology

OBJECTIVE: The prognostic significance of hemoglobin (HGB) -red cell distribution width (RDW) ratio (HRR) has been indicated in various cancer types. However, its clinical significance in patients with metastatic pancreas cancer (MPC) is unknown. In this study, we aimed to investigate the prognostic importance of pre-treatment HRR in patients with metastatic pancreas cancer.

PATIENTS AND METHODS: MPC patients (≥18 years of age) who received at least one course of chemotherapy between January 2001 and January 2021, were evaluated retrospectively in terms of pre-treatment HRR values.

RESULTS: Of 111 patients, the mean HRR value was 0.84, and the patients were divided into low HRR and high HRR groups. The median follow-up was 8.7 months (95% CI 1.8-51.6). The median duration of first-line treatment was 4.4 months (95% CI 0.5-31.3). The median overall survival (OS) was 7.6 months (95% CI 3.4-11.8) in the low HRR group and 8.7 months (95% CI 5.7-11.8 months) in the high HRR group (p=0.276) (Figure 1). The median progression-free survival (PFS) was 4.2 months (95% CI 2.7-5.6 months) in the low HRR group and 5.1 months (95% CI 2.8-7.4 months) in the high HRR group (p=0.044) It was found that high HRR decreased progression event in both univariate (HR 0.67, 95% CI 0.45-0.99, p=0.046) and multivariate (HR 0.62, 95% CI 0.42-0.93, p=0.022) analysis.

CONCLUSIONS: The present study emphasized that low HRR was a poor prognostic factor for PFS in patients with MPC. There was no statistically significant difference between the HRR groups regarding OS. This is the first study evaluating the prognostic significance of HRR in MPC.

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