OBJECTIVE: To determine the prevalence of tuberculosis (TB) infection and disease among internally displaced persons residing in Tbilisi, Republic of Georgia. DESIGN: Residents of eight refugee hostels were screened for TB infection using a tuberculin skin test (TST) and a symptom questionnaire. Participation was voluntary. TST-positive individuals were referred for chest radiography. Subjects with cough, fever, or night sweats of > 2 weeks duration provided sputum for acid-fast bacilli (AFB) microscopy and culture. RESULTS: Of approximately 4000 potential subjects (internally displaced persons), 988 (24.7%) participated in the screening program. Of these 988, 931 (94.2%) who had a TST placed returned at 48-72 hours to have the skin test examined; 447 (48.0%) were TST-positive (> or = 10 mm induration). In multivariate analysis, risk factors for a positive TST included male sex, ever having received BCG, history of close contact with a case of active tuberculosis, and living in one specific refugee hostel. Risk for a positive TST was greater among subjects > 20 years old, but there was no difference between age groups over the age of 20 years. Five patients with active TB were identified through the screening program, giving a case rate of 537 per 100,000 population. CONCLUSION: Tuberculosis infection and disease were common in this group of internally displaced persons. Screening was a useful mechanism of case finding among this high prevalence population.
OBJECTIVE: To determine the prevalence of tuberculosis (TB) infection and disease among internally displaced persons residing in Tbilisi, Republic of Georgia. DESIGN: Residents of eight refugee hostels were screened for TB infection using a tuberculin skin test (TST) and a symptom questionnaire. Participation was voluntary. TST-positive individuals were referred for chest radiography. Subjects with cough, fever, or night sweats of > 2 weeks duration provided sputum for acid-fast bacilli (AFB) microscopy and culture. RESULTS: Of approximately 4000 potential subjects (internally displaced persons), 988 (24.7%) participated in the screening program. Of these 988, 931 (94.2%) who had a TST placed returned at 48-72 hours to have the skin test examined; 447 (48.0%) were TST-positive (> or = 10 mm induration). In multivariate analysis, risk factors for a positive TST included male sex, ever having received BCG, history of close contact with a case of active tuberculosis, and living in one specific refugee hostel. Risk for a positive TST was greater among subjects > 20 years old, but there was no difference between age groups over the age of 20 years. Five patients with active TB were identified through the screening program, giving a case rate of 537 per 100,000 population. CONCLUSION:Tuberculosis infection and disease were common in this group of internally displaced persons. Screening was a useful mechanism of case finding among this high prevalence population.
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