Volume 14, Issue 8
Article

Spatial disease clusters: Detection and inference

Martin Kulldorff

Department of Statistics, Uppsala University, Box 513, 751 20 Uppsala, Sweden

Biometry and Field Studies Branch, National Institute of Neurological Disorders and Stroke, NIH, Federal Building 7C16, 7550 Wisconsin Avenue, Bethesda, MD 20892, U.S.A.

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Neville Nagarwalla

Corresponding Author

Department of Dermatology, J‐600, Boston University School of Medicine, 80 East Concord Street, Boston, MA 02118, U.S.A.

Bio Statistech, 15 Winthrop Road, Brookline, MA 02146, U.S.A.

Bio Statistech, 15 Winthrop Road, Brookline, MA 02146, U.S.A.Search for more papers by this author
First published: 30 April 1995
Citations: 815

Abstract

We present a new method of detection and inference for spatial clusters of a disease. To avoid ad hoc procedures to test for clustering, we have a clearly defined alternative hypothesis and our test statistic is based on the likelihood ratio. The proposed test can detect clusters of any size, located anywhere in the study region. It is not restricted to clusters that conform to predefined administrative or political borders. The test can be used for spatially aggregated data as well as when exact geographic co‐ordinates are known for each individual. We illustrate the method on a data set describing the occurrence of leukaemia in Upstate New York.

Number of times cited according to CrossRef: 815

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