Tuberculosis incidence in Portugal: spatiotemporal clustering
2007

Mapping Tuberculosis Clusters in Portugal

Sample size: 278 publication Evidence: high

Author Information

Author(s): Nunes Carla

Primary Institution: National School of Public Health

Hypothesis

Are there spatiotemporal tuberculosis incidence clusters in continental Portugal?

Conclusion

The study identified three critical districts in Portugal with high rates of tuberculosis incidence between 2000 and 2004.

Supporting Evidence

  • Significant high incidence rate space-time clusters were identified in three areas of Portugal.
  • The methodology allowed for the identification of critical spatiotemporal areas.
  • Temporal patterns showed a shift in age distribution of notified cases from 2000 to 2004.

Takeaway

The researchers looked at where tuberculosis cases happened in Portugal over five years and found some areas had a lot more cases than others.

Methodology

The study used spatial scan statistics and geostatistical simulations to identify and validate clusters of tuberculosis incidence.

Potential Biases

Potential biases due to incomplete population data and reliance on reported cases.

Limitations

The study is not population-based and relies on compulsory notifications, which may introduce bias.

Participant Demographics

Data included notifications from 2000 to 2004 across 18 districts in Portugal.

Statistical Information

P-Value

<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1476-072X-6-30

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