An epidemiological investigation of leukemia incidence between 2003 and 2007 in Nanjing, China.

Background: There has been little literature about leukemia epidemiology in Nanjing in recent years. We aimed to explore the incidence rate, gender and age distribution of leukemia in Nanjing using the leukemia database of the city.

Results: The average yearly incidence rate of leukemia was 3.