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Volume 19, Number 9—September 2013

Research

High Rates of Mycobacterium tuberculosis among Socially Marginalized Immigrants in Low-Incidence Area, 1991–2010, Italy

Iacopo BaussanoComments to Author , Silvio Mercadante, Manish Pareek, Ajit Lalvani1, and Massimiliano Bugiani1
Author affiliations: International Agency for Research on Cancer, Lyon, France (I. Baussano); UPO “A.Avogadro” and CPO–Piemonte, Novara, Italy (I. Baussano, S. Mercadante); Imperial College, London, UK (M. Pareek, A. Lalvani); Regional Reference Centre for Tuberculosis Prevention, Turin, Italy (M. Bugiani)

Main Article

Table 1

Descriptive characteristics of socially marginalized immigrants investigated, Italy*

Variable, group No. (%)
TB incidence rate in the country of origin of the immigrants, (x 105 person-years)
<25 679 (2.5)
25–49 3,500 (12.8)
50–99 1,668 (6.1)
100–299 20,050 (73.3)
>300 1,461 (5.3)
Age at test
<20 2,500 (9.1)
20–29 10,705 (39.1)
30–39 8,659 (31.7)
>40 4,938 (18.0)
Missing 556 (2.0)
Age at immigration
<20 3,416 (12.5)
20–29 12,415 (45.4)
30–39 6,318 (23.1)
>40 4,778 (17.5)
Missing 431 (1.6)
Sex
F 11,116 (40.6)
M 16,242 (59.4)
Year of immigration
<1990 1,978 (7.2)
1990–1994 5,121 (18.7)
1995–1999 8,206 (30)
2000–2004 8,911 (32.6)
2005–2010 2,092 (7.6)
Year of first testing
1991–1994 2,040 (7.5)
1995–1999 10,783 (39.4)
2000–2004 11,400 (41.7)
2005–2010 3,055 (11.2)
First TST within
2 y 60.4 (59.8–61)
5 y 81.9 (81.4–82.3)
10 y 95 (94.8–95.3)

*TB, tuberculosis; TST, tuberculin skin test. Given missing data the totals do not always sum up to 100%.

Main Article

1Joint senior authors who contributed equally to this article.

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