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Tuberculosis among health care workers.

Baussano I, Nunn P, Williams B, Pivetta E, Bugiani M, Scano F - Emerging Infect. Dis. (2011)

Bottom Line: For TB, estimated incident rate ratios were 2.4 (95% CI 1.2-3.6), 2.4 (95% CI 1.0-3.8), and 3.7 (95% CI 2.9-4.5), respectively.Median estimated population-attributable fraction for TB was as high as 0.4%.HCWs are at higher than average risk for TB.

View Article: PubMed Central - PubMed

Affiliation: University A. Avogadro, Novara, Italy. i.baussano06@imperial.ac.uk

ABSTRACT
To assess the annual risk for latent tuberculosis infection (LTBI) among health care workers (HCWs), the incidence rate ratio for tuberculosis (TB) among HCWs worldwide, and the population-attributable fraction of TB to exposure of HCWs in their work settings, we reviewed the literature. Stratified pooled estimates for the LTBI rate for countries with low (<50 cases/100,000 population), intermediate (50-100/100,000 population), and high (>100/100,000 population) TB incidence were 3.8% (95% confidence interval [CI] 3.0%-4.6%), 6.9% (95% CI 3.4%-10.3%), and 8.4% (95% CI 2.7%-14.0%), respectively. For TB, estimated incident rate ratios were 2.4 (95% CI 1.2-3.6), 2.4 (95% CI 1.0-3.8), and 3.7 (95% CI 2.9-4.5), respectively. Median estimated population-attributable fraction for TB was as high as 0.4%. HCWs are at higher than average risk for TB. Sound TB infection control measures should be implemented in all health care facilities with patients suspected of having infectious TB.

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Forrest plot showing the study-specific and pooled estimates of incidence rate ratios (RR) for tuberculosis (TB) among health care workers (HCWs) compared with the corresponding general populations, by TB incidence group according to the World Health Organization. Studies are sorted by incidence category: low, <50 cases/100,000 population; intermediate, 50–99 cases/100,000 population; high, >100 cases/100,000 population. CI, confidence interval. A complete list of references is provided in the Technical Appendix.
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F-2-3: Forrest plot showing the study-specific and pooled estimates of incidence rate ratios (RR) for tuberculosis (TB) among health care workers (HCWs) compared with the corresponding general populations, by TB incidence group according to the World Health Organization. Studies are sorted by incidence category: low, <50 cases/100,000 population; intermediate, 50–99 cases/100,000 population; high, >100 cases/100,000 population. CI, confidence interval. A complete list of references is provided in the Technical Appendix.

Mentions: For countries with low and intermediate TB incidence, stratified pooled estimates for annual TB IRRs were similar: 2.42 (95% CI 1.20–3.64, I2 = 85%) and 2.45 (95% CI 1.05–3.84, I2 = 98%), respectively (Figure 3). The TB IRRs for countries with high TB incidence was higher: 3.68 (95% CI 2.89–4.48, I2 = 96%%). The overall estimate of annual TB IRR was 2.97 (95% CI 2.43–3.51, I2= 98%).


Tuberculosis among health care workers.

Baussano I, Nunn P, Williams B, Pivetta E, Bugiani M, Scano F - Emerging Infect. Dis. (2011)

Forrest plot showing the study-specific and pooled estimates of incidence rate ratios (RR) for tuberculosis (TB) among health care workers (HCWs) compared with the corresponding general populations, by TB incidence group according to the World Health Organization. Studies are sorted by incidence category: low, <50 cases/100,000 population; intermediate, 50–99 cases/100,000 population; high, >100 cases/100,000 population. CI, confidence interval. A complete list of references is provided in the Technical Appendix.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3298382&req=5

F-2-3: Forrest plot showing the study-specific and pooled estimates of incidence rate ratios (RR) for tuberculosis (TB) among health care workers (HCWs) compared with the corresponding general populations, by TB incidence group according to the World Health Organization. Studies are sorted by incidence category: low, <50 cases/100,000 population; intermediate, 50–99 cases/100,000 population; high, >100 cases/100,000 population. CI, confidence interval. A complete list of references is provided in the Technical Appendix.
Mentions: For countries with low and intermediate TB incidence, stratified pooled estimates for annual TB IRRs were similar: 2.42 (95% CI 1.20–3.64, I2 = 85%) and 2.45 (95% CI 1.05–3.84, I2 = 98%), respectively (Figure 3). The TB IRRs for countries with high TB incidence was higher: 3.68 (95% CI 2.89–4.48, I2 = 96%%). The overall estimate of annual TB IRR was 2.97 (95% CI 2.43–3.51, I2= 98%).

Bottom Line: For TB, estimated incident rate ratios were 2.4 (95% CI 1.2-3.6), 2.4 (95% CI 1.0-3.8), and 3.7 (95% CI 2.9-4.5), respectively.Median estimated population-attributable fraction for TB was as high as 0.4%.HCWs are at higher than average risk for TB.

View Article: PubMed Central - PubMed

Affiliation: University A. Avogadro, Novara, Italy. i.baussano06@imperial.ac.uk

ABSTRACT
To assess the annual risk for latent tuberculosis infection (LTBI) among health care workers (HCWs), the incidence rate ratio for tuberculosis (TB) among HCWs worldwide, and the population-attributable fraction of TB to exposure of HCWs in their work settings, we reviewed the literature. Stratified pooled estimates for the LTBI rate for countries with low (<50 cases/100,000 population), intermediate (50-100/100,000 population), and high (>100/100,000 population) TB incidence were 3.8% (95% confidence interval [CI] 3.0%-4.6%), 6.9% (95% CI 3.4%-10.3%), and 8.4% (95% CI 2.7%-14.0%), respectively. For TB, estimated incident rate ratios were 2.4 (95% CI 1.2-3.6), 2.4 (95% CI 1.0-3.8), and 3.7 (95% CI 2.9-4.5), respectively. Median estimated population-attributable fraction for TB was as high as 0.4%. HCWs are at higher than average risk for TB. Sound TB infection control measures should be implemented in all health care facilities with patients suspected of having infectious TB.

Show MeSH
Related in: MedlinePlus