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[How many cases of tuberculosis are not reported?]
J F García Rodríguez1, J de Juan Prego, J Vázquez Castro
1Servicio de Medicina Interna, Hospital A. Marcide-Novoa Santos, El Ferrol, La Coruña.
Summary
Tuberculosis case reporting is deficient, with 75% of positive sputum tests not declared. While reporting improved over three years, it remained significantly low, especially for non-pulmonary cases.
Area of Science:
- Pulmonology
- Epidemiology
- Public Health
Context:
- Tuberculosis (TB) diagnosis and reporting are crucial for disease control.
- Accurate registry data is essential for understanding TB epidemiology and intervention effectiveness.
Purpose:
- To evaluate the completeness of tuberculosis case registration.
- To identify factors associated with underreporting of tuberculosis cases.
Summary:
- A retrospective study analyzed 393 respiratory tuberculosis cases diagnosed between 1990-1992.
- Only 19.8% of cases were registered. Age and pulmonary localization influenced registration rates.
- Reporting improved significantly over three years, but remained deficient, with 75% of positive sputum results not declared.
Impact:
- Highlights significant underreporting of tuberculosis, impacting public health surveillance.
- Identifies specific patient groups and disease types with lower reporting rates.
- Underscores the need for improved tuberculosis notification systems and diagnostic protocols.