The survival rate has been studied in a group of patients with cancer of the larynx. The expected survival (i. e. the survival that would be observed in patients of the same age exposed to the simple mortality of the general population) has been compared with the observed survival: so abolishing the source of error due to the different age composition. A total improvement of the survival with age has been noted for all the categories of patients; such improvement seems to be more relevant for older subjects.
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References
1.
Istituto Centrale di Statistica, Annuario Statistico Italiano, 1957
