Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.

<h4>Background</h4>Data on breast cancer survival and its prognostic factors are lacking in the United Arab Emirates (UAE). Sociodemographic and pathologic factors have been studied widely in western populations but are very limited in this region. This study is the first to report breas...

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Autores principales:	Yusra Elobaid, Maria Aamir, Michal Grivna, Abubaker Suliman, Samir Attoub, Hussam Mousa, Luai A Ahmed, Abderrahim Oulhaj
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b66f56269a984aed96a70b31c64adf78
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spelling	oai:doaj.org-article:b66f56269a984aed96a70b31c64adf782021-11-25T05:54:20ZBreast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.1932-620310.1371/journal.pone.0251118https://doaj.org/article/b66f56269a984aed96a70b31c64adf782021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0251118https://doaj.org/toc/1932-6203<h4>Background</h4>Data on breast cancer survival and its prognostic factors are lacking in the United Arab Emirates (UAE). Sociodemographic and pathologic factors have been studied widely in western populations but are very limited in this region. This study is the first to report breast cancer survival and investigate prognostic factors associated with its survival in the UAE.<h4>Methods</h4>This is a retrospective cohort study involving 988 patients who were diagnosed and histologically confirmed with breast cancer between January 2008 and December 2012 at Tawam hospital, Al Ain, UAE. Patient were followed from the date of initial diagnosis until the date of death from any cause, lost-to-follow up or the end of December 2018. The primary outcome is overall survival (OS). The Kaplan-Meier method was used to estimate the survival curve along with the 2- and 5-year survivals. Different group of patients categorized according to prognostic factors were compared using the log-rank test. Multiple Cox proportional hazards models was used to examine the impact of several prognostic factors on the overall survival.<h4>Results</h4>The median study follow-up was 35 months. Of the 988 patients, 62 had died during their follow-up, 56 were lost to follow-up and 870 were still alive at the end of the study. The average age of patients was 48 years. The majority of patients presented to the hospital with grade II or III, 24% with at least stage 3 and 9.2% had metastasis. The 2-year and 5-year survivals were estimated to 97% and 89% respectively. Results of the multiple Cox proportional hazard model show that tumor grade, and stage of cancer at presentation are jointly significantly associated with survival.<h4>Conclusion</h4>The 2- and 5-year survival are within the norms compared to other countries. Significant clinical and pathological prognostic factors associated with survival were tumor grade, and the stage of cancer at presentation.Yusra ElobaidMaria AamirMichal GrivnaAbubaker SulimanSamir AttoubHussam MousaLuai A AhmedAbderrahim OulhajPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 5, p e0251118 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yusra Elobaid Maria Aamir Michal Grivna Abubaker Suliman Samir Attoub Hussam Mousa Luai A Ahmed Abderrahim Oulhaj Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.
description	<h4>Background</h4>Data on breast cancer survival and its prognostic factors are lacking in the United Arab Emirates (UAE). Sociodemographic and pathologic factors have been studied widely in western populations but are very limited in this region. This study is the first to report breast cancer survival and investigate prognostic factors associated with its survival in the UAE.<h4>Methods</h4>This is a retrospective cohort study involving 988 patients who were diagnosed and histologically confirmed with breast cancer between January 2008 and December 2012 at Tawam hospital, Al Ain, UAE. Patient were followed from the date of initial diagnosis until the date of death from any cause, lost-to-follow up or the end of December 2018. The primary outcome is overall survival (OS). The Kaplan-Meier method was used to estimate the survival curve along with the 2- and 5-year survivals. Different group of patients categorized according to prognostic factors were compared using the log-rank test. Multiple Cox proportional hazards models was used to examine the impact of several prognostic factors on the overall survival.<h4>Results</h4>The median study follow-up was 35 months. Of the 988 patients, 62 had died during their follow-up, 56 were lost to follow-up and 870 were still alive at the end of the study. The average age of patients was 48 years. The majority of patients presented to the hospital with grade II or III, 24% with at least stage 3 and 9.2% had metastasis. The 2-year and 5-year survivals were estimated to 97% and 89% respectively. Results of the multiple Cox proportional hazard model show that tumor grade, and stage of cancer at presentation are jointly significantly associated with survival.<h4>Conclusion</h4>The 2- and 5-year survival are within the norms compared to other countries. Significant clinical and pathological prognostic factors associated with survival were tumor grade, and the stage of cancer at presentation.
format	article
author	Yusra Elobaid Maria Aamir Michal Grivna Abubaker Suliman Samir Attoub Hussam Mousa Luai A Ahmed Abderrahim Oulhaj
author_facet	Yusra Elobaid Maria Aamir Michal Grivna Abubaker Suliman Samir Attoub Hussam Mousa Luai A Ahmed Abderrahim Oulhaj
author_sort	Yusra Elobaid
title	Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.
title_short	Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.
title_full	Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.
title_fullStr	Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.
title_full_unstemmed	Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.
title_sort	breast cancer survival and its prognostic factors in the united arab emirates: a retrospective study.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/b66f56269a984aed96a70b31c64adf78
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Breast cancer survival and its prognostic factors in the United Arab Emirates: A retrospective study.

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