Epidemiology and Trends in Incidence of Kidney Cancer in Iran

  • Mirzaei, Maryam (Department of Epidemiology and Biostatistics, School of Public Health, Tabriz University of Medical Sciences) ;
  • Pournamdar, Zahra (Pregnancy Health Research Center, Zahedan University Of Medical Sciences) ;
  • Salehiniya, Hamid (Department of Epidemiology and Biostatistics, School of Public Health, Tabriz University of Medical Sciences)
  • Published : 2015.09.02


Background: Kidney cancer has shown an increasing trend in recent decades. This study aimed to determine change in the incidence rate between 2003 and 2009 in Iran. Materials and Methods: In this study, national cancer registry data were used. Crude incidence rates were calculated per 100,000 and age-standardized incidence rates (ASRs) were computed using the direct standardization method and the world standard population. Significant trend of incidence rates was examined by the Cochran-Armitage test for linear trend. Results: A total of 6,944 cases of kidney cancer were reported. The incidence cases increased from 595 patients in 2003 to 1,387 patients in 2009. Sex ratio (male to female) was 1.67. ASR also increased from 1.18 in 2003 to 2.52 in 2009 per 100,000, but the increasing trend was not significant. Conclusions: A slow increasing trend of incidence rate was observed in the study population. This may be due to an increase of risk factors. It is suggested to perform a study on risk factors for the cancer.


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