Polska A i Polska B. Rozkład przestrzenny i klasteryzacja umieralności na wybrane nowotwory złośliwe w Polsce
Poland A and Poland B. Spatial distribution and clustering of mortality due to selected cancers in Poland

Summary/Abstract: This article describes the geographical distribution of mortality due to selected cancers in Poland in 2010–2014 and in 1980–1984 as reference. Using examples, three cluster identification techniques are discussed: the local Moran’s index, the Kulldorff’s scan statistic and the Stone’s statistic. The centres of primary spatial clusters (groupings) of age-adjusted mortality of men and women due to cancers at 10 sites are situated outside the Eastern Poland macroregion. The location of spatial clusters in the 2010–2014 and 1980–1984 was different, although age-adjusted cancer mortality was lower in the Eastern Poland in both periods. Clusters of female mortality due to cancers of breast, ovary, uterus and bladder in the 2010–2014 period were detected in Pomerania and Kuyavia. The high all-site cancer mortality in the Northern and Western Poland is partly determined by a higher smoking prevalence in these macroregions and procreative attitudes. The data provide no basis for a hypothesis of an elevated risk of thyroid cancer mortality in seaside and mountainous counties, which could be hypothesised based on registry data from other countries. According to the Stone’s test results, stomach cancer mortality was found to be statistically importantly lower in Warsaw and in other large agglomerations.

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