International Scholarly Research Notices

Clinical Study

Targeted Screening for Latent TB Infection prior to Biologic Therapy to Improve Patient Safety and Reduce Costs: A Prospective Observational Study

Table 1

Risk factors for prior TB exposure.
Close contact with individuals known to have TB including
  (i) family members
  (ii) people sharing a living space
Birth or extended residence in a country with a high prevalence of tuberculosis
History of living or working within congregate settings where tuberculosis is more common including the following:
  (i) prison
  (ii) homeless shelters
  (iii) healthcare environments where TB patients are treated
History suggestive of prior LTBI diagnosis including the following:
  (i) previous positive screening tests
  (ii) chest radiograph findings associated with prior tuberculosis (i.e., fibronodular opacities)