Screening for tuberculosis and latent tuberculosis infection among undocumented immigrants at an unspecialised health service unit
Abstract:SETTING: Practical or cost-effective strategies to identify undocumented immigrants with latent tuberculosis infection and to deliver treatment for latent TB infection are still unavailable.
OBJECTIVES: To compare completion rates of screening procedures for TB infection and disease among undocumented immigrants at specialised (TB) and unspecialised health services in Italy.
DESIGN: A TB unit (TBU) and an unspecialised health service unit for migrants (MHCU) served as recruitment sites for recent undocumented immigrants from TB endemic areas. The screening included a symptom questionnaire, a tuberculin skin test and a chest X-ray.
RESULTS: Of 1318 eligible subjects, 1232 (93.4%) accepted the screening. Screening was completed by 993 (80.6%) individuals overall, 86.5% and 71.4% at the TBU and MHCU services, respectively. In a multivariate analysis model, the only variable associated with an increased probability of completing screening was being enrolled at the TBU site (OR 2.5, 95%CI 1.8–3.5; P < 0.001). Three hundred and ninety-two subjects (39.4%) had a TST test of ≥10 mm. Eight cases of active tuberculosis were detected, with a calculated prevalence of disease of 650/100000.
CONCLUSIONS: Undocumented immigrants to Italy can be screened for TB at an unspecialised health service unit, although not as efficiently as at a specialised TB unit.
Document Type: Regular Paper
Affiliations: 1: Clinic of Infectious and Tropical Diseases, University of Brescia, Brescia, Italy 2: Tuberculosis Clinic, District Health Department, Turin, Italy 3: District Health Department, ASL 2 Brescia, Italy
Publication date: August 1, 2001
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