Abstract
Jailed populations exhibit high rates of tuberculosis (TB) infection and active disease. A cross-sectional study was performed to estimate the prevalence of latent and active TB and to identify factors associated with latent infection in inmates. The prevalence of latent TB was 49%, and the prevalence of active TB was 0.4%. The presence of a Bacille Calmette-Guérin (BCG) scar (prevalence ratio (PR)=1.65; 95% confidence interval (CI): 1.09-2.50; p=0.0162) and the World Health Organization (WHO) score for active TB in prisons (PR=1.07; 95% CI: 1.01-1.14; p=0.0181) were correlated with infection. The identification of associated factors and the prevalence of latent and active TB allows the development of plans to control this disease in jails.
Highlights
Jailed populations exhibit high rates of tuberculosis (TB) infection and active disease
The presence of a Bacille Calmette-Guérin (BCG) scar (prevalence ratio (PR)=1.65; 95% confidence interval (CI): 1.09-2.50; p=0.0162) and any increase in the World Health Organization (WHO) clinical score (PR=1.07; 95% CI: 1.01-1.14; p=0.0181) were statistically significant in the multivariate model
In our study, the clinical scores were correlated with Latent tuberculosis infection (LTBI), suggesting that the WHO symptoms are associated with latent infection
Summary
Jailed populations exhibit high rates of tuberculosis (TB) infection and active disease. Latent tuberculosis infection (LTBI) predisposes inmates to a greater risk of progression to active disease and increases the transmission rates inside and outside of the jail system[4]. The aim of this study was to estimate the prevalence of latent and active TB infection and to describe the risk factors associated with latent TB among inmates in a jail in the central-western region of Brazil.
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