Differences in injury mortality between the Nordic countries--with special reference to differences in coding practices.

The aims of the study are to analyse the incidence and patterns in injury mortality in the Nordic countries, and to assess the extent to which any differences found can be explained in terms of either variation in statistical validity or the existence of genuine differences. The study considers the entire injury panorama, and is performed between certain categories of injuries. Analysis is applied to all ages, and also to certain specific age categories. Finland appears as the Nordic country with the highest injury mortality. While examining potential source of errors, nothing was found to merit an adjustment of Finland's rate. All potential correction would bring the rates of the other Nordic countries closer to that of Finland. Poisoning was found to be a diagnosis that varies in application between the Nordic countries. Falling is the diagnosis with the greatest problems of sensitivity, and cannot be recommended for comparative purposes.