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Volume 8, Number 7—July 2002
Research

Persistent High Incidence of Tuberculosis in Immigrants in a Low-Incidence Country

Troels Lillebaek*Comments to Author , Åse B. Andersen†, Asger Dirksen‡, Else Smith*, Lene T. Skovgaard§, and Axel Kok-Jensen‡
Author affiliations: *Statens Serum Institut, Copenhagen, Denmark; †Rigshospitalet (National Hospital), Copenhagen, Denmark; ‡Gentofte University Hospital, Hellerup, Denmark; §University of Copenhagen, Copenhagen, Denmark;

Main Article

Table 1

Number of Somalis in Denmark and cases of Somali immigrants reported as having tuberculosis, 1991–2000

Year a
b
c
d
e
Somalis in Denmarka
(no.) Net arrivalb
(no.) (an+1-an) Person-observation years
yrs (a + 1/2b) Reported casesc (no.) Crude rated
(d as % of c) (95% CI)
1991 and earlier 743 652 1,069 NA NA
1992 1,395 842 1,816 20 1.1 (0.7 to 1.7)
1993 2,237 1,552 3,013 41 1.4 (1.0 to 1.9)
1994 3,789 1,491 4,535 92 2.0 (1.7 to 2.5)
1995 5,280 1,811 6,186 100 1.6 (1.3 to 2.0)
1996 7,091 2,794 8,488 114 1.3 (1.1 to 1.6)
1997 9,885 2,228 10,999 182 1.7 (1.4 to 1.9)
1998 12,113 1,422 12,824 167 1.3 (1.1 to 1.5)
1999 13,535 1,321 14,196 185 1.3 (1.1 to 1.5)
2000 14,856 NA NA NA NA

aNumber of Somalis in Denmark by January 1.
bEstimated number of Somalis arriving in Denmark in 1 year.
cSomalis reported as having tuberculosis (TB).
dCrude incidence rate as % of the accumulated number of Somalis in Denmark; NA = not available; 95% CI = 95% confidence interval.

Main Article

Page created: July 16, 2010
Page updated: July 16, 2010
Page reviewed: July 16, 2010
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