Mathematical Medicine

Studies from University of Cagliari yield new information about mathematical medicine

Published in Cancer Weekly, August 3rd, 2010

"We analyse lymphoid leukemia incidence data collected between 1988 and 2002 from the cancer registry of Haut-Rhin, a region in north-east France. For each patient, sex, area of residence, date of birth and date of diagnosis are available," researchers in Cagliari, Italy report.

"Incidence summaries in the registry are grouped by 3-year periods. A disproportionately large frequency of zeros in the data leads to a lack of fit for Poisson models of relative risk. The aim of our analysis was to model the spatio-temporal variations of the disease taking into account some non-standard requirements, such as count data with many zeros and space-time interactions. For this...

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Source: Cancer Weekly (2010-08-03)

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