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Fig. 4 | BMC Medicine

Fig. 4

From: Revisiting annual screening for latent tuberculosis infection in healthcare workers: a cost-effectiveness analysis

Fig. 4

Tornado analysis of expected TB cases per worker over 20 years: 3% discount rate. TB tuberculosis, HCWs healthcare workers, LTBI latent tuberculosis infection. The most influential input variables were risk of TB exposure (especially for intermediate-risk HCWs), risk of progression to active TB following new infection and risk of infection after exposure, proportion of workers performing high-risk duties, proportions of workers prescribed, initiating, and completing isoniazid treatment when indicated, and the proportion of exposures which are recognised

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