Lungekreft i Norge 1972–1996, forekomst og overlevelse. Kjønnsulikheter og regionale forskjeller
DOI:
https://doi.org/10.5324/nje.v9i2.473Abstract
SAMMENDRAG
Med utgangspunkt i Kreftregisterets database har vi studert forekomst av lungekreft i Norge i perioden
1972-96, og spesielt sett på regionale ulikheter og forskjeller mellom kjønnene. Vi har også sett på
endringer i overlevelsen av lungekreft i samme periode. Med unntak av i Oslo har insidensraten økt i
alle regioner for begge kjønn, men mest i Agderfylkene. Agderfylkene har i siste del av perioden, 1992-
96, høyeste insidensrate for både kvinner og menn, henholdsvis 21 og 45 pr. 100 000. Dette er
betydelig høyere enn insidensraten for hele landet som er henholdsvis 15,3 og 35,5 pr. 100 000. I Oslo
har det blant menn vært en nedgang i insidens som startet i perioden 1977-81. Lungekreft skyldes i all
hovedsak røyking, og de tallene vi observerer nå avspeiler røykevanene i befolkningen flere tiår tilbake.
Vi vet at tobakksforbruket økte frem til 1950 for begge kjønn, for deretter å avta, men med en ny topp
blant kvinner rundt 1970. Den relative overlevelsen har endret seg lite fra 1972-76 til 1992-96, men det
går noe bedre med pasienter diagnostisert i stadium 1 og 2 i siste del av perioden.
Mellingsæter MR, Thoresen SØ.
Incidence and survival in lung cancer in Norway 1972-1996:
ENGLISH SUMMARY
Our task has been the incidence of lung cancer in Norway for the period 1972 to 1996, with the focus
on differences both geographically and within the genders. Accordingly, we have studied the survival
rates for lung cancer in general in Norway for the same period. The present study is based on data from
the Norwegian Cancer Registry, which is nation-wide and population based. There has been an increase
in the incidence rate in all geographic regions for both sexes in the period, with the steepest increase in
the Agder counties of Norway. The exception is Oslo county. The Agder counties had the highest
incidence rate for both sexes in the last part of the period, 1992–1996, significantly higher than the
incidence rates for the country as whole. In Oslo the men’s incidence rate has dropped since the period
1977–1981. Lung cancer is mainly due to smoking, and our figures mirror the smoking habits
throughout several decades in the Norwegian population. We know that the tobacco consumption
increased for both sexes up to 1950. However, the female smokers faced an actual higher top around
1970. The five year overall survival changed slightly from 1972–1976 to 1992–1996, however,
showing a minor improvement for patients diagnosed in stage 1 and 2 in the last period.
Nor J Epidemiol 1999; 9 (2): 107-111Gender and regional differences.
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