Evaluation of breast cancer incidence: is the increase due entirely to mammographic screening?
C Harmer, M Staples, AM Kavanagh
CANCER CAUSES & CONTROL | KLUWER ACADEMIC PUBL | Published : 1999
OBJECTIVES: To examine the trends in the incidence rates of breast cancer in a population with mammographic screening and in the unscreened women within that population. METHODS: Data consisted of incident cases of breast cancer notified to the Victorian Cancer Registry in Victoria, Australia, between 1988 and 1996 and cases detected in the population-based BreastScreen Program. These data were grouped by age (25-39, 40-49, 50-59, 60-69 and > or = 70 years of age) and size of tumor ( 10- 15 mm). Poisson regression modeling was used to examine trends by age, tumor size, calendar year and availability of screening. RESULTS: The incidence rate of breast cancer in the total population increased ..View full abstract