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Prevalence of positive TST among healthcare workers in high-burden TB setting in Peru

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dc.contributor.author Sedamano, Juana
dc.contributor.author Schwalb Calderon, Alvaro
dc.contributor.author Cachay Figueroa, Rodrigo Antonio
dc.contributor.author Zamudio Fuertes, Carlos Eduardo
dc.contributor.author Ugarte Gil, Cesar Augusto
dc.contributor.author Soto-Cabezas, G.
dc.contributor.author Munayco, C.V.
dc.contributor.author Seas Ramos, Carlos Rafael
dc.date.accessioned 2020-12-14T16:10:12Z
dc.date.available 2020-12-14T16:10:12Z
dc.date.issued 2020
dc.identifier.uri https://hdl.handle.net/20.500.12866/8805
dc.description.abstract Background: Tuberculosis (TB) transmission has long been recognized as an important occupational hazard for healthcare workers (HCWs). HCWs have a 5.8% annual risk of exposure and three times greater risk of developing active TB than the general population. Methods: We conducted an observational cross-sectional study between September 2014 and March 2015 among HCWs in a high-burden TB setting in Lima to estimate the prevalence of positive Tuberculin Skin Test (TST) and to investigate factors associated with a positive TST. Results: Two hundred forty participants were included in the analysis; TST was administered to 190 (79.2%) while the rest were exempt due to a previous positive TST result, history of TB, or test refusal. A positive TST result was found among 56.2% of participants to whom the TST was applied (95% CI: 49.22-63.55%). When considering those who had a previous positive TST result and those with a history of TB, the prevalence of a positive TST result was 64.3% (95% CI: 57.8-70.3%). No significant differences were observed between clinical/paramedical and administrative staff in the health center. The use of N95 masks during work hours was reported by 142 (69.9%) participants. Prevalence ratios (PR) show that workers with more than 120 months as a HCW were 1.44 times more likely to be TST positive. The multivariate analysis found that HCWs with over 10 years of service were 1.52 times more likely to be TST positive. Conclusion: This study supports previous reports that TB infection is an occupational hazard for HCWs. Prevention of TB transmission through control measures, as well as timely diagnosis of LTBI in this particular high-risk group, is critical for individual and public health. en_US
dc.language.iso eng
dc.publisher BioMed Central
dc.relation.ispartofseries BMC Public Health
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Tuberculin test en_US
dc.subject Healthcare workers en_US
dc.subject Latent tuberculosis infection en_US
dc.title Prevalence of positive TST among healthcare workers in high-burden TB setting in Peru en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1186/s12889-020-08756-9
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.03.05
dc.relation.issn 1471-2458

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