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Volume 59
Issue 12
10.3390/medicina59122124
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Systematic Review

Assessing the Predictive Power of the Hemoglobin/Red Cell Distribution Width Ratio in Cancer: A Systematic Review and Future Directions

by
Donatella Coradduzza
1,
Serenella Medici
2,
Carla Chessa
3,
Angelo Zinellu
1,
Massimo Madonia
3,
Andrea Angius
4,
Ciriaco Carru
1,5,* and
Maria Rosaria De Miglio
3,*
1
Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
2
Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, 07100 Sassari, Italy
3
Department of Medicine, Surgery and Pharmacy, University of Sassari, 07100 Sassari, Italy
4
Istituto di Ricerca Genetica e Biomedica (IRGB), Consiglio Nazionale delle Ricerche (CNR), Cittadella Universitaria di Cagliari, 09042 Cagliari, Italy
5
Control Quality Unit, Azienda-Ospedaliera Universitaria (AOU), 07100 Sassari, Italy
*
Authors to whom correspondence should be addressed.
Medicina 2023, 59(12), 2124; https://doi.org/10.3390/medicina59122124
Submission received: 13 October 2023 / Revised: 20 November 2023 / Accepted: 29 November 2023 / Published: 5 December 2023
(This article belongs to the Special Issue Advances in Cancer Multimodal Approach: Biomarkers, Mechanisms, Surgical Procedures and Oncological Therapies)
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Abstract

Background and Objectives: The hemoglobin (Hb)/red cell distribution width (RDW) ratio has emerged as an accessible, repeatable, and inexpensive prognostic factor that may predict survival in cancer patients. The focus of this systematic review is to investigate the prognostic role of the Hb/RDW ratio in cancer and the implications for clinical practice. Materials and Methods: A literature search of PubMed, Scopus, and Web of Science databases was performed by an independent author between 18 March and 30 March 2023 to collect relevant literature that assessed the prognostic value of the Hb/RDW ratio in cancer. Overall survival (OS), progression-free survival (PFS), and the association of these with the Hb/RDW ratio were considered to be the main endpoints. Results: Thirteen retrospective studies, including 3818 cancer patients, were identified and involved in this review. It was observed that, when patients with a high vs. low Hb/RDW ratio were compared, those with a lower Hb/RDW ratio had significantly poorer outcomes (p < 0.05). In lung cancer patients, a one-unit increase in the Hb/RDW ratio reduces mortality by 1.6 times, whilst in esophageal squamous-cell carcinoma patients, a lower Hb/RDW ratio results in a 1.416-times greater risk of mortality. Conclusions: A low Hb/RDW ratio was associated with poor OS and disease progression in patients with cancer. This blood parameter should be considered a standard biomarker in clinical practice for predicting OS and PFS in cancer patients. Future searches will be necessary to determine and standardize the Hb/RDW cut-off value and to assess whether the Hb/RDW ratio is optimal as an independent prognostic factor or if it requires incorporation into risk assessment models for predicting outcomes in cancer patients.
Keywords: hemoglobin to red cell distribution width; Hb/RDW ratio; cancer; risk assessment hemoglobin to red cell distribution width; Hb/RDW ratio; cancer; risk assessment

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MDPI and ACS Style

Coradduzza, D.; Medici, S.; Chessa, C.; Zinellu, A.; Madonia, M.; Angius, A.; Carru, C.; De Miglio, M.R. Assessing the Predictive Power of the Hemoglobin/Red Cell Distribution Width Ratio in Cancer: A Systematic Review and Future Directions. Medicina 2023, 59, 2124. https://doi.org/10.3390/medicina59122124

AMA Style

Coradduzza D, Medici S, Chessa C, Zinellu A, Madonia M, Angius A, Carru C, De Miglio MR. Assessing the Predictive Power of the Hemoglobin/Red Cell Distribution Width Ratio in Cancer: A Systematic Review and Future Directions. Medicina. 2023; 59(12):2124. https://doi.org/10.3390/medicina59122124

Chicago/Turabian Style

Coradduzza, Donatella, Serenella Medici, Carla Chessa, Angelo Zinellu, Massimo Madonia, Andrea Angius, Ciriaco Carru, and Maria Rosaria De Miglio. 2023. "Assessing the Predictive Power of the Hemoglobin/Red Cell Distribution Width Ratio in Cancer: A Systematic Review and Future Directions" Medicina 59, no. 12: 2124. https://doi.org/10.3390/medicina59122124

APA Style

Coradduzza, D., Medici, S., Chessa, C., Zinellu, A., Madonia, M., Angius, A., Carru, C., & De Miglio, M. R. (2023). Assessing the Predictive Power of the Hemoglobin/Red Cell Distribution Width Ratio in Cancer: A Systematic Review and Future Directions. Medicina, 59(12), 2124. https://doi.org/10.3390/medicina59122124

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