Measure of cancer prevalence with a computerized program: an example on larynx cancer.
In spite of the great value from the health planning point of view, only a few Cancer Registries have produced measures of prevalence. PREVAL is a computerized program for personal computers that provides prevalence data expressed as number or proportion. The program calculates prevalence, cross-classified by years from diagnosis and age. PREVAL reads data on the vital status, available from those Cancer Registries that have carried out population-based survival studies. Larynx cancer in males has been used as an example. Analysis has been performed on 15-year follow-up data of 840 incidence cases registered during 1976-1987 period from Lombardy Cancer Registry. In 1987, larynx cancer prevalence proportions are 67.6 per 100,000 for patients with up to 5 years from diagnosis and 108.4 per 100,000 for those with up to 10 years. The Authors will provide PREVAL free of charge upon request.
Krogh
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Division of Epidemiology, National Cancer Institute, Milan, Italy.
Micheli
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D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007822:Laryngeal Neoplasms / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D012984:Software