Epidemiology of tuberculosis in a low-incidence Italian region with high immigration rates: differences between not Italy-born and Italy-born TB cases
2011

Epidemiology of Tuberculosis in Immigrants in Italy

Sample size: 5377 publication 10 minutes Evidence: high

Author Information

Author(s): Odone Anna, Riccò Matteo, Morandi Matteo, Borrini Bianca M, Pasquarella Cesira, Signorelli Carlo

Primary Institution: Department of Public Health, University of Parma, Parma, Italy

Hypothesis

How has the increase in the immigrant population affected the epidemiology of tuberculosis in Emilia Romagna, Italy?

Conclusion

The study found that tuberculosis among immigrants is a significant public health issue in Italy, characterized by specific clinical features and risk factors.

Supporting Evidence

  • The proportion of immigrants with TB increased from 19.1% to 53.3% over the study period.
  • TB incidence was higher among not Italy-born individuals compared to Italy-born individuals.
  • Not Italy-born cases were more frequently classified as 'new cases'.
  • Homelessness was a significant risk factor for TB among not Italy-born individuals.

Takeaway

This study looked at how many people got tuberculosis in Italy, especially focusing on immigrants, and found that more immigrants are getting it compared to locals.

Methodology

Data was collected from the Regional TB surveillance system, analyzing personal data, clinical features, and risk factors of TB cases from 1996 to 2006.

Potential Biases

There is a risk of bias due to underreporting of TB cases among not Italy-born individuals without legal residence permits.

Limitations

The study's limitations include potential overestimation of TB incidence due to not accounting for undocumented immigrants and reliance on notified cases which may be underreported.

Participant Demographics

The study included 5377 TB cases, with 36.5% being not Italy-born and 63.4% Italy-born, predominantly affecting younger individuals among the not Italy-born group.

Statistical Information

P-Value

p<0.0001

Confidence Interval

95%CI 17.19 - 21.88

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1186/1471-2458-11-376

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