Undetected burden of tuberculosis in a low-prevalence area.
Int J Tuberc Lung Dis
; 10(4): 415-21, 2006 Apr.
Article
em En
| MEDLINE
| ID: mdl-16602406
ABSTRACT
SETTING:
Under-ascertainment and under-reporting of tuberculosis (TB) hampers surveillance and control. Case detection is improved by record linkage of case registers and under-reporting can be estimated by capture-recapture (CR) analysis.OBJECTIVES:
To assess the completeness of the TB registration systems and estimation of TB incidence and under-reporting in the Piedmont Region of Italy in 2001.METHODS:
Record linkage of the 'physician notification system', the TB laboratory register and the hospital records register, and subsequent three-sample CR analysis.RESULTS:
Record linkage identified 657 TB cases; CR analysis estimated 47 (95%CI 31-71) unrecorded cases. Under-reporting of the 'physician notification system' was estimated at 21% (95%CI 20-23). The overall estimated TB incidence rate was 16.7 cases per 100000 population (95%CI 16.3-17.3), varying according to the subset investigated 12.7 for individuals from low TB prevalence countries and 214.1 for immigrants from high TB prevalence countries; 13.1 and 25.8 for persons aged < and > or = 60 years, respectively; and 32.1 in Turin, the regional capital and 10.8 in the rest of the region.CONCLUSIONS:
When multiple recording systems are available, record linkage and CR analysis can be used to assess TB incidence and the completeness of different registers, contributing to a more accurate surveillance of local TB epidemiology.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Tuberculose
/
Programas de Rastreamento
/
Vigilância da População
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
/
Incidence_studies
/
Observational_studies
/
Prevalence_studies
/
Prognostic_studies
/
Risk_factors_studies
/
Screening_studies
Limite:
Adolescent
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Adult
/
Aged
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Child
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Child, preschool
/
Female
/
Humans
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Infant
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Male
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Middle aged
País/Região como assunto:
Europa
Idioma:
En
Ano de publicação:
2006
Tipo de documento:
Article