Articles

Survival Rate of Colorectal Cancer and Its Effective Factors in Iran

Abstract

Colorectal cancer is one of the most common cancers in Iran. Regarding the prevalence of this cancer and its mortality and morbidity, in this study, 5 Year Survival Rate and its Effective Factors of patients with colorectal cancer were investigated. This study was conducted using the retrospective cohort method. All patients diagnosed with colorectal cancer in Hamadan Imam Khomeini Clinic of Hematology and Oncology and Mahdieh Oncology Center between 2006 and 2011 were studied. Data were extracted from the patients’ medical records, and to obtain extra information about them, telephone calls were made. The data were analyzed by SPPS version 16, and the assessment of survival rates was conducted using Kaplan-Meier methods and Cox regression method. A total number of 108 patients with colorectal cancer were studied. The status of 74 patients was determined at the end of the study by making follow-up phone calls. The one, two, three, four, and five survival rates were 77, 66, 50, 45, and 42%, respectively. The median overall survival was 46.8 months (1.3-135.6 months). Cox regression analysis showed that Metastatic tumor (P=0.001), lymphatic involvement (P=0.043), and is associated with underlying disease (P=0.025) was accompanied by increased risk. Multivariate cox regression test showed that metastasis was associated with an increase in the risk of death significantly (HR=2.83, P=0.013). According to the findings of the study, early screening is recommended for people with greater risk to increase the survival rate.

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IssueVol 59, No 5 (2021) QRcode
SectionArticles
DOI https://doi.org/10.18502/acta.v59i5.6664
Keywords
Survival rate Colorectal cancer Iran Effective factors

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1.
Abbasi M, Asgari S, Pirdehghan A, Sadighi Pashaki AA, Esna-Ashari F. Survival Rate of Colorectal Cancer and Its Effective Factors in Iran. Acta Med Iran. 2021;59(5):290-297.