The use of historical control information in testing for a trend in Poisson means.
A method is developed for the use of historical control information in testing for a trend with Poisson data. The resulting test statistic is a modification of a statistic proposed by Armitage (1955, Biometrics 11, 375-386) to test for a trend in frequencies. The contribution of the historical control data in the analysis depends upon the degree of heterogeneity of the historical counts.
D001419:Bacteria / Q000187:drug effects; D001551:Benz(a)Anthracenes / Q000494:pharmacology*; D008433:Mathematics; D008957:Models, Genetic; D009152:Mutagenicity Tests; D009154:Mutation; D012107:Research Design
D001551:Benz(a)Anthracenes; C030935:benz(a)anthracene