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Revista de Saúde Pública

On-line version ISSN 1518-8787Print version ISSN 0034-8910


RUFFINO NETTO, Antonio. Relation between prevalence, incidence and average duration of disease. Rev. Saúde Pública [online]. 1973, vol.7, n.4, pp.331-334. ISSN 1518-8787.

A derivation of the relation Pt = I. d where: Pt = pointprevalence; I = incidence; d = average durantion of disease is presented given the disease is stable, that is, the incidence and duration remained constant over time.

Keywords : Epidemiology [quantitative methods]; Prevalence; Incidence.

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