- Volume 16 Issue 3
DOI QR Code
Mortality Determinants in Colorectal Cancer Patients at Different Grades: a Prospective, Cohort Study in Iran
- Ahmadi, Ali (Department of Epidemiology and Biostatistics, School of Public Health, Shahrekord University of Medical Sciences) ;
- Mosavi-Jarrahi, Alireza (Epidemiology Department, Social Medicine, Medical School, Shahid Beheshti Universitry of Medical Sciences) ;
- Pourhoseingholi, Mohamad Amin (Research Center for Gastroenterology and Liver diseases, Shahid Beheshti Universitry of Medical Sciences)
- Published : 2015.03.04
Background: Colorectal cancer (CRC) is an important cause of mortality and morbidity in many communities worldwide. This population based study was conducted to assess determinants of colorectal mortality in Iranian patients. Materials and Methods: A cohort of 1,127 cases of confirmed colorectal cancer registered in a population based registry covering 10 referral hospital in Tehran, Iran, were followed for five years. Information about tumor characteristics, smoking status and family history were collected at base line and survival status were followed every six months by contacting patient or next of kin (if patients died during the follow-up). The cause of death for each case was validated by verbal autopsy and referring to patient medical records at the time of death. The data were analyzed by Stata software using univariate and multivariate analysis (Cox regression). In building the model a p value of less than 5% was considered as significant. Results: The age at diagnosis was
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