Medical Journal of the Islamic Republic Of Iran
مجله پزشکی جمهوری اسلامی ایران
Med J Islam Repub Iran
Medical Sciences
http://mjiri.iums.ac.ir
2
journal2
1016-1430
2251-6840
8
10.18869/mjiri
14
8888
13
en
jalali
1392
10
1
gregorian
2014
1
1
28
1
online
1
fulltext
en
Does ethnicity affect survival following colorectal cancer? A prospective, cohort study using Iranian cancer registry
Epidemiology
Epidemiology
Original Research
Original Research
<p> <strong>Background</strong>:The present study compared the differences between survivals of patients with colorectal cancer according to their ethnicity adjusted for other predictors of survival. </p><p> <strong>Methods</strong>: In this prospective cohort study patients were followed up from definite diagnosis of colorectal cancer to death. Totally, 2431 person-year follow-ups were undertaken for 1127 colorectal cancer patients once every six months. The data were analyzed by stata software using bivariate analysis, multivariate analysis, and Cox regression. </p><p> <strong>Results</strong>: The age at diagnosis was significantly different between men and women (p<0.03). 61.2% were male and the rest were female. Most patients were Fars (51.2%), followed by Turciks (21.5%), Kurds (8.2%), and 7.5% Lurs. Of the patients, 75% had a survival of more than 2.72 years, 50% a survival of 5.83 years, and 25% longer than 13.1 years after diagnosis. Risk ratio was significantly different among ethnics (p<0.05). The variables of ethnicity, being non married, tumor grade, family history of cancer, and smoking were considered as determinants of the patients’ survival in Cox regression model. The median survival time in Fars, Kurds, Lurs, Turks and other ethnics was 5.83, 2.44, 5.49, and 8.52 years, respectively. </p><p> <strong>Conclusion</strong>: Ethnicity and access to healthcare are predictors of survival of patients with colorectal cancer which may define priorities in controlling cancer and implementing interventional and prevention plans. </p><p> </p><p> </p>
Colorectal cancer, Disparity, Ethnicity, Mortality, Survival time.
522
527
http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-712&slc_lang=en&sid=1
Ali
Ahmadi
aliahmadi2007@gmail.com
200319475328460012655
200319475328460012655
No
Department of Epidemiology and Biostatistics, School of Public Health, Shahrekord University of Medical Sciences, Shahrekord, Iran.
Seyed Saeed
Hashemi Nazari
saeedh1999@yahoo.com
200319475328460012656
200319475328460012656
No
Department of Epidemiology, ShaheedBeheshti University of Medical Sciences, Tehran, Iran.
Mahmoud
Mobasheri
mobasheri@skums.ac.ir
200319475328460012657
200319475328460012657
Yes
Department of Epidemiology and Biostatistics, Shahrekord University of Medical Sciences, Shahrekord, Iran.