Analysis of the incidence and mortality of leukemia in the cancer registration area of Zhejiang Province from 2010 to 2014

The incidence and mortality rate of leukemia in the cancer registration areas of Zhejiang Province from 2010 to 2014 were analyzed to depict their epidemiological characteristics. From 2010 to 2014, 3789 new cases were diagnosed as leukemia in Zhejiang cancer registration areas, with a crude incidence rate of 6.47 per 100 000. The age-standardized incidence rate of males (standardized by China census data 2000) was 1.35 times that of females. The age-standardized incidence rate of urban areas was similar to that in rural areas (1.04∶1). From 2010 to 2014, 2 568 cases died due to leukemia, with a crude mortality rate of 4.38 per 100 000. The age-standardized mortality rate of males was 1.44 times that of females. The age-standardized mortality rate of urban areas was 0.99 times that of rural areas. The age-standardized incidence and mortality rate did not show any significant change from 2010 to 2014. The annual percent change of these two metrics was -2.36% (t=-0.62, P=0.579) and -3.46% (t=-2.41, P=0.095). Key words: Leukemia; Incidence; Mortality; Cancer registry; Surveillance